Vulnerability from csaf_opensuse
Published
2021-04-30 19:22
Modified
2021-04-30 19:22
Summary
Security update for libnettle
Notes
Title of the patch
Security update for libnettle
Description of the patch
This update for libnettle fixes the following issues:
- CVE-2021-20305: Fixed the multiply function which was being called with out-of-range scalars (bsc#1184401).
This update was imported from the SUSE:SLE-15:Update update project.
Patchnames
openSUSE-2021-635
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ document: { aggregate_severity: { namespace: "https://www.suse.com/support/security/rating/", text: "important", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright 2024 SUSE LLC. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "Security update for libnettle", title: "Title of the patch", }, { category: "description", text: "This update for libnettle fixes the following issues:\n\n- CVE-2021-20305: Fixed the multiply function which was being called with out-of-range scalars (bsc#1184401).\n\nThis update was imported from the SUSE:SLE-15:Update update project.", title: "Description of the patch", }, { category: "details", text: "openSUSE-2021-635", title: "Patchnames", }, { category: "legal_disclaimer", text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", title: "Terms of use", }, ], publisher: { category: "vendor", contact_details: "https://www.suse.com/support/security/contact/", name: "SUSE Product Security Team", namespace: "https://www.suse.com/", }, references: [ { category: "external", summary: "SUSE ratings", url: "https://www.suse.com/support/security/rating/", }, { category: "self", summary: "URL of this CSAF notice", url: "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2021_0635-1.json", }, { category: "self", summary: "URL for openSUSE-SU-2021:0635-1", url: "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JEQQBLTWQPDTYRTWQZSXENUU6TSCBJ5R/", }, { category: "self", summary: "E-Mail link for openSUSE-SU-2021:0635-1", url: "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JEQQBLTWQPDTYRTWQZSXENUU6TSCBJ5R/", }, { category: "self", summary: "SUSE Bug 1184401", url: "https://bugzilla.suse.com/1184401", }, { category: "self", summary: "SUSE CVE CVE-2021-20305 page", url: "https://www.suse.com/security/cve/CVE-2021-20305/", }, ], title: "Security update for libnettle", tracking: { current_release_date: "2021-04-30T19:22:54Z", generator: { date: "2021-04-30T19:22:54Z", engine: { name: "cve-database.git:bin/generate-csaf.pl", version: "1", }, }, id: "openSUSE-SU-2021:0635-1", initial_release_date: "2021-04-30T19:22:54Z", revision_history: [ { date: "2021-04-30T19:22:54Z", number: "1", summary: "Current version", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_version", name: "libhogweed4-3.4.1-lp152.4.3.1.i586", product: { name: "libhogweed4-3.4.1-lp152.4.3.1.i586", product_id: "libhogweed4-3.4.1-lp152.4.3.1.i586", }, }, { category: "product_version", name: "libnettle-devel-3.4.1-lp152.4.3.1.i586", product: { name: "libnettle-devel-3.4.1-lp152.4.3.1.i586", product_id: "libnettle-devel-3.4.1-lp152.4.3.1.i586", }, }, { category: "product_version", name: "libnettle6-3.4.1-lp152.4.3.1.i586", product: { name: "libnettle6-3.4.1-lp152.4.3.1.i586", product_id: "libnettle6-3.4.1-lp152.4.3.1.i586", }, }, { category: "product_version", name: "nettle-3.4.1-lp152.4.3.1.i586", product: { name: 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"default_component_of", full_product_name: { name: "nettle-3.4.1-lp152.4.3.1.i586 as component of openSUSE Leap 15.2", product_id: "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.i586", }, product_reference: "nettle-3.4.1-lp152.4.3.1.i586", relates_to_product_reference: "openSUSE Leap 15.2", }, { category: "default_component_of", full_product_name: { name: "nettle-3.4.1-lp152.4.3.1.x86_64 as component of openSUSE Leap 15.2", product_id: "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.x86_64", }, product_reference: "nettle-3.4.1-lp152.4.3.1.x86_64", relates_to_product_reference: "openSUSE Leap 15.2", }, ], }, vulnerabilities: [ { cve: "CVE-2021-20305", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2021-20305", }, ], notes: [ { category: "general", text: "A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.", title: "CVE description", }, ], product_status: { recommended: [ "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libhogweed4-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2021-20305", url: "https://www.suse.com/security/cve/CVE-2021-20305", }, { category: "external", summary: "SUSE Bug 1183835 for CVE-2021-20305", url: "https://bugzilla.suse.com/1183835", }, { category: "external", summary: "SUSE Bug 1184401 for CVE-2021-20305", url: "https://bugzilla.suse.com/1184401", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libhogweed4-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.1, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, products: [ "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libhogweed4-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libhogweed4-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle-devel-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle-devel-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:libnettle6-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:libnettle6-32bit-3.4.1-lp152.4.3.1.x86_64", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.i586", "openSUSE Leap 15.2:nettle-3.4.1-lp152.4.3.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2021-04-30T19:22:54Z", details: "important", }, ], title: "CVE-2021-20305", }, ], }
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Sightings
Author | Source | Type | Date |
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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.