Unrated severityNVD Advisory· Published Apr 5, 2021· Updated Aug 3, 2024
CVE-2021-20305
CVE-2021-20305
Description
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.
Affected products
39- Nettle/Nettledescription
- osv-coords38 versionspkg:apk/chainguard/nettlepkg:apk/chainguard/nettle-devpkg:apk/chainguard/nettle-staticpkg:apk/chainguard/nettle-utilspkg:apk/wolfi/nettlepkg:apk/wolfi/nettle-devpkg:apk/wolfi/nettle-staticpkg:apk/wolfi/nettle-utilspkg:rpm/opensuse/libnettle&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/libnettle&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/libnettle&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/libnettle&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/libnettle&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/libnettle&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/libnettle&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/libnettle&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/libnettle&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/libnettle&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0+ 37 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 3.4.1-lp152.4.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 3.4.1-4.15.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
- (no CPE)range: < 2.7.1-13.3.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQKWVVMAIDAJ7YAA3VVO32BHLDOH2E63/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202105-31mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2021/dsa-4933mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/09/msg00008.htmlmitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20211022-0002/mitrex_refsource_CONFIRM
News mentions
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