var-202101-1926
Vulnerability from variot
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. sudo has a heap-based buffer overflow due to the implementation of escaping special characters set in command arguments (CWE-122) Vulnerability exists. 2021 Year 2 Moon 5 As of the date macOS , AIX , Solaris It has been reported that it may also be affected by the virus, but it has not been confirmed by the finder. note that, 2021 Year 2 Moon 9 On the day Apple has released a security update to address this issue.A local third party can elevate privileges and execute commands with administrator privileges. Relevant releases/architectures:
RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 8 - noarch, x86_64 Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - noarch
- These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Bug Fix(es):
- Previously, the Red Hat Virtualization Host (RHV-H) repository (rhvh-4-for-rhel-8-x86_64-rpms) did not include the libsmbclient package, which is a dependency for the sssd-ad package. Consequently, the sssd-ad package failed to install.
With this update, the libsmbclient is now in the RHV-H repository, and sssd-ad now installs on RHV-H. (BZ#1868967)
- Bugs fixed (https://bugzilla.redhat.com/):
1850939 - Hosted engine deployment does not properly show iSCSI LUN errors 1868967 - sssd-ad installation fails on RHV-H 4.4 due to missing libsmbclient from samba package in rhvh-4-for-rhel-8-x86_64-rpms channel 1889686 - CVE-2020-25684 dnsmasq: loose address/port check in reply_query() makes forging replies easier for an off-path attacker 1889688 - CVE-2020-25685 dnsmasq: loose query name check in reply_query() makes forging replies easier for an off-path attacker 1890125 - CVE-2020-25686 dnsmasq: multiple queries forwarded for the same name makes forging replies easier for an off-path attacker 1902315 - Rebase RHV-H 4.4 to RHV 4.4.4 1902646 - ssh connection fails due to overly permissive openssh.config file permissions 1909644 - HE deploy failed with "Failed to download metadata for repo 'rhel-8-for-x86_64-baseos-beta-rpms': Cannot download repomd.xml 1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing 1921553 - RHVH upgrade to the latest 4.4.4-1 build will fail due to FileNotFoundError 1923126 - Hosted Engine setup fails on storage selection - Retrieval of iSCSI targets failed. Summary:
Red Hat Ansible Automation Platform Resource Operator 1.2 (technical preview) images that fix several security issues. Description:
Red Hat Ansible Automation Platform Resource Operator container images with security fixes.
Ansible Automation Platform manages Ansible Platform jobs and workflows that can interface with any infrastructure on a Red Hat OpenShift Container Platform cluster, or on a traditional infrastructure that is running off-cluster. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied. Bugs fixed (https://bugzilla.redhat.com/):
1914774 - CVE-2021-20178 ansible: user data leak in snmp_facts module 1915808 - CVE-2021-20180 ansible module: bitbucket_pipeline_variable exposes secured values 1916813 - CVE-2021-20191 ansible: multiple modules expose secured values 1925002 - CVE-2021-20228 ansible: basic.py no_log with fallback option 1939349 - CVE-2021-3447 ansible: multiple modules expose secured values
-
8.1) - aarch64, ppc64le, s390x, x86_64
-
========================================================================== Ubuntu Security Notice USN-4705-2 January 27, 2021
sudo vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator account. (CVE-2021-3156)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: sudo 1.8.9p5-1ubuntu1.5+esm6
Ubuntu 12.04 ESM: sudo 1.8.3p1-1ubuntu3.10
In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: sudo security update Advisory ID: RHSA-2021:0224-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0224 Issue date: 2021-01-26 CVE Names: CVE-2021-3156 ==================================================================== 1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- Relevant releases/architectures:
Red Hat Enterprise Linux Server AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64
- Description:
The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.
Security Fix(es):
- sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
- Bugs fixed (https://bugzilla.redhat.com/):
1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing
- Package List:
Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: sudo-1.8.19p2-12.el7_4.2.src.rpm
x86_64: sudo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: sudo-1.8.19p2-12.el7_4.2.src.rpm
ppc64le: sudo-1.8.19p2-12.el7_4.2.ppc64le.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm
x86_64: sudo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source: sudo-1.8.19p2-12.el7_4.2.src.rpm
x86_64: sudo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.4):
x86_64: sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm sudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional E4S (v. 7.4):
ppc64le: sudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm sudo-devel-1.8.19p2-12.el7_4.2.ppc64le.rpm
x86_64: sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm sudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional TUS (v. 7.4):
x86_64: sudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm sudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm sudo-devel-1.8.19p2-12.el7_4.2.i686.rpm sudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2021-3156 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-002
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce
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"data": "Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via \"sudoedit -s\" and a command-line argument that ends with a single backslash character. sudo has a heap-based buffer overflow due to the implementation of escaping special characters set in command arguments (CWE-122) Vulnerability exists. 2021 Year 2 Moon 5 As of the date macOS , AIX , Solaris It has been reported that it may also be affected by the virus, but it has not been confirmed by the finder. note that, 2021 Year 2 Moon 9 On the day Apple has released a security update to address this issue.A local third party can elevate privileges and execute commands with administrator privileges. Relevant releases/architectures:\n\nRHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64\nRed Hat Virtualization 4 Hypervisor for RHEL 8 - noarch, x86_64\nRed Hat Virtualization 4 Management Agent for RHEL 7 Hosts - noarch\n\n3. These packages include redhat-release-virtualization-host,\novirt-node, and rhev-hypervisor. RHVH features a Cockpit user\ninterface for monitoring the host\u0027s resources and performing administrative\ntasks. \n\nBug Fix(es):\n\n* Previously, the Red Hat Virtualization Host (RHV-H) repository\n(rhvh-4-for-rhel-8-x86_64-rpms) did not include the libsmbclient package,\nwhich is a dependency for the sssd-ad package. Consequently, the sssd-ad\npackage failed to install. \n\nWith this update, the libsmbclient is now in the RHV-H repository, and\nsssd-ad now installs on RHV-H. (BZ#1868967)\n\n4. Bugs fixed (https://bugzilla.redhat.com/):\n\n1850939 - Hosted engine deployment does not properly show iSCSI LUN errors\n1868967 - sssd-ad installation fails on RHV-H 4.4 due to missing libsmbclient from samba package in rhvh-4-for-rhel-8-x86_64-rpms channel\n1889686 - CVE-2020-25684 dnsmasq: loose address/port check in reply_query() makes forging replies easier for an off-path attacker\n1889688 - CVE-2020-25685 dnsmasq: loose query name check in reply_query() makes forging replies easier for an off-path attacker\n1890125 - CVE-2020-25686 dnsmasq: multiple queries forwarded for the same name makes forging replies easier for an off-path attacker\n1902315 - Rebase RHV-H 4.4 to RHV 4.4.4\n1902646 - ssh connection fails due to overly permissive openssh.config file permissions\n1909644 - HE deploy failed with \"Failed to download metadata for repo \u0027rhel-8-for-x86_64-baseos-beta-rpms\u0027: Cannot download repomd.xml\n1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing\n1921553 - RHVH upgrade to the latest 4.4.4-1 build will fail due to FileNotFoundError\n1923126 - Hosted Engine setup fails on storage selection - Retrieval of iSCSI targets failed. Summary:\n\nRed Hat Ansible Automation Platform Resource Operator 1.2 (technical\npreview) images that fix several security issues. Description:\n\nRed Hat Ansible Automation Platform Resource Operator container images\nwith security fixes. \n\nAnsible Automation Platform manages Ansible Platform jobs and workflows\nthat can interface with any infrastructure on a Red Hat OpenShift Container\nPlatform cluster, or on a traditional infrastructure that is running\noff-cluster. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. Bugs fixed (https://bugzilla.redhat.com/):\n\n1914774 - CVE-2021-20178 ansible: user data leak in snmp_facts module\n1915808 - CVE-2021-20180 ansible module: bitbucket_pipeline_variable exposes secured values\n1916813 - CVE-2021-20191 ansible: multiple modules expose secured values\n1925002 - CVE-2021-20228 ansible: basic.py no_log with fallback option\n1939349 - CVE-2021-3447 ansible: multiple modules expose secured values\n\n5. 8.1) - aarch64, ppc64le, s390x, x86_64\n\n3. ==========================================================================\nUbuntu Security Notice USN-4705-2\nJanuary 27, 2021\n\nsudo vulnerability\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 14.04 ESM\n- Ubuntu 12.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in Sudo. This update provides\nthe corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. \n\nOriginal advisory details:\n\n It was discovered that Sudo incorrectly handled memory when parsing command\n lines. A local attacker could possibly use this issue to obtain unintended\n access to the administrator account. (CVE-2021-3156)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 14.04 ESM:\n sudo 1.8.9p5-1ubuntu1.5+esm6\n\nUbuntu 12.04 ESM:\n sudo 1.8.3p1-1ubuntu3.10\n\nIn general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Important: sudo security update\nAdvisory ID: RHSA-2021:0224-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:0224\nIssue date: 2021-01-26\nCVE Names: CVE-2021-3156\n====================================================================\n1. Summary:\n\nAn update for sudo is now available for Red Hat Enterprise Linux 7.4\nAdvanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update\nSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAP\nSolutions. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Server AUS (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64\nRed Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server TUS (v. 7.4) - x86_64\n\n3. Description:\n\nThe sudo packages contain the sudo utility which allows system\nadministrators to provide certain users with the permission to execute\nprivileged commands, which are used for system management purposes, without\nhaving to log in as root. \n\nSecurity Fix(es):\n\n* sudo: Heap buffer overflow in argument parsing (CVE-2021-3156)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1917684 - CVE-2021-3156 sudo: Heap buffer overflow in argument parsing\n\n6. Package List:\n\nRed Hat Enterprise Linux Server AUS (v. 7.4):\n\nSource:\nsudo-1.8.19p2-12.el7_4.2.src.rpm\n\nx86_64:\nsudo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server E4S (v. 7.4):\n\nSource:\nsudo-1.8.19p2-12.el7_4.2.src.rpm\n\nppc64le:\nsudo-1.8.19p2-12.el7_4.2.ppc64le.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm\n\nx86_64:\nsudo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server TUS (v. 7.4):\n\nSource:\nsudo-1.8.19p2-12.el7_4.2.src.rpm\n\nx86_64:\nsudo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.4):\n\nx86_64:\nsudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional E4S (v. 7.4):\n\nppc64le:\nsudo-debuginfo-1.8.19p2-12.el7_4.2.ppc64le.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.ppc64le.rpm\n\nx86_64:\nsudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional TUS (v. 7.4):\n\nx86_64:\nsudo-debuginfo-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-debuginfo-1.8.19p2-12.el7_4.2.x86_64.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.i686.rpm\nsudo-devel-1.8.19p2-12.el7_4.2.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-3156\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2021-002\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\n/eC3svyPRxA=fsAW\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.