critical9.8
CVE-2020-6831
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 76.0 |
| Mozilla | Firefox Esr | before 68.8.0 |
| Mozilla | Thunderbird | before 68.8.0 |
| Canonical | Ubuntu Linux | Versions 16.04, 18.04, 19.10, 20.04 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Opensuse | Leap | Version 15.2 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
- https://security.gentoo.org/glsa/202005-03
- https://security.gentoo.org/glsa/202005-04
- https://usn.ubuntu.com/4373-1/
- https://www.debian.org/security/2020/dsa-4714
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://www.mozilla.org/security/advisories/mfsa2020-17/
- https://www.mozilla.org/security/advisories/mfsa2020-18/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
- http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1632241
- https://security.gentoo.org/glsa/202005-03
- https://security.gentoo.org/glsa/202005-04
- https://usn.ubuntu.com/4373-1/
- https://www.debian.org/security/2020/dsa-4714
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://www.mozilla.org/security/advisories/mfsa2020-17/
- https://www.mozilla.org/security/advisories/mfsa2020-18/