Paper/Archive/CVE-2020-6831

CVE-2020-6831

Mozilla Firefox ESR — A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC.

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 93.1.931 × 2018.6 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Affected

ProductAffectedFixed inSource

Firefox ESRunspecified – < 68.868.8CNA

Firefoxunspecified – < 7676CNA

Thunderbirdunspecified – < 68.8.068.8.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refmozilla.org/security/advisories/mfsa2020-18 refmozilla.org/security/advisories/mfsa2020-16 refmozilla.org/security/advisories/mfsa2020-17 refbugzilla.mozilla.org/show_bug.cgi?id=1632241 advisoryusn.ubuntu.com/4373-1 refsecurity.gentoo.org/glsa/202005-03 refsecurity.gentoo.org/glsa/202005-04 advisorydebian.org/security/2020/dsa-4714 advisorylists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html refpacketstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html