Unrated severityNVD Advisory· Published May 27, 2021· Updated Aug 4, 2024
CVE-2020-12403
CVE-2020-12403
Description
A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from this vulnerability is to confidentiality and system availability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
70- NSS/NSSdescription
- osv-coords69 versionspkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Tumbleweedpkg:rpm/suse/mozilla-nspr&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/mozilla-nss&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 3.69.1-1.2+ 68 more
- (no CPE)range: < 3.69.1-1.2
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-33.6.1
- (no CPE)range: < 4.32-33.6.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-3.20.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 4.32-19.18.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-47.16.1
- (no CPE)range: < 3.68-47.16.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-3.56.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
- (no CPE)range: < 3.68-58.54.1
Patches
Vulnerability mechanics
References
4News mentions
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