Vulnerability-Lookup

SUSE-SU-2016:0718-1

Vulnerability from csaf_suse - Published: 2016-03-11 09:18 - Updated: 2016-03-11 09:18

Summary

Security update for libssh2_org

Severity

Moderate

Notes

Title of the patch: Security update for libssh2_org

Description of the patch: This update for libssh2_org fixes the following issues: Security issue fixed: - CVE-2016-0787 (bsc#967026): Weakness in diffie-hellman secret key generation lead to much shorter DH groups then needed, which could be used to retrieve server keys. A feature was added: - Support of SHA256 digests for DH group exchanges was added (fate#320343, bsc#961964) Bug fixed: - Properly detect EVP_aes_128_ctr at configure time (bsc#933336)

Patchnames: SUSE-SLE-DESKTOP-12-2016-413,SUSE-SLE-DESKTOP-12-SP1-2016-413,SUSE-SLE-SDK-12-2016-413,SUSE-SLE-SDK-12-SP1-2016-413,SUSE-SLE-SERVER-12-2016-413,SUSE-SLE-SERVER-12-SP1-2016-413

CVE-2016-0787

5.9 (Medium)


                
                  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 30 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Desktop 12 SP1:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 12 SP1:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 12:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 12:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1:libssh2-1-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1:libssh2-1-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1:libssh2-1-32bit-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:libssh2-1-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:libssh2-1-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:libssh2-1-32bit-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libssh2-1-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libssh2-1-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libssh2-1-32bit-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:libssh2-1-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:libssh2-1-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:libssh2-1-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:libssh2-1-32bit-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:libssh2-1-32bit-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP1:libssh2-devel-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP1:libssh2-devel-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12 SP1:libssh2-devel-1.4.3-16.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12:libssh2-devel-1.4.3-16.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12:libssh2-devel-1.4.3-16.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Software Development Kit 12:libssh2-devel-1.4.3-16.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

13 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/933336	self
https://bugzilla.suse.com/961964	self
https://bugzilla.suse.com/967026	self
https://www.suse.com/security/cve/CVE-2016-0787/	self
https://www.suse.com/security/cve/CVE-2016-0787	external
https://bugzilla.suse.com/1149968	external
https://bugzilla.suse.com/967026	external
https://bugzilla.suse.com/968174	external
https://bugzilla.suse.com/974691	external

JSON

To clipboard

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      "threats": [
        {
          "category": "impact",
          "date": "2016-03-11T09:18:12Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2016-0787"
    }
  ]
}

CVE-2016-0787 (GCVE-0-2016-0787)

Vulnerability from cvelistv5 – Published: 2016-04-13 17:00 – Updated: 2024-08-05 22:30

Summary

The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

12 references

URL	Tags
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://www.libssh2.org/CVE-2016-0787.patch	x_refsource_CONFIRM
https://www.libssh2.org/adv_20160223.html	x_refsource_CONFIRM
https://puppet.com/security/cve/CVE-2016-0787	x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201606-12	vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
https://bto.bluecoat.com/security-advisory/sa120	x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3487	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/82514	vdb-entryx_refsource_BID

Date Public

2016-02-23 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.