When encrypting with a block cipher, if a call to...
Vulnerability Description
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.mozilla.org/security/advisories/mfsa2019-36/
- https://www.mozilla.org/security/advisories/mfsa2019-38/
- https://www.mozilla.org/security/advisories/mfsa2019-37/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1586176
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html
- https://usn.ubuntu.com/4241-1/
- https://access.redhat.com/errata/RHSA-2020:0243
- https://access.redhat.com/errata/RHSA-2020:0466
- https://security.gentoo.org/glsa/202003-02
- https://security.gentoo.org/glsa/202003-10
- https://security.gentoo.org/glsa/202003-37
- https://usn.ubuntu.com/4335-1/
- https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.