Vulnerability Details : CVE-2020-6831
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-6831
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-6831
5.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-6831
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-6831
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-6831
-
https://www.mozilla.org/security/advisories/mfsa2020-16/
Security Vulnerabilities fixed in Firefox 76 — MozillaVendor Advisory
-
https://www.debian.org/security/2020/dsa-4714
Debian -- Security Information -- DSA-4714-1 chromiumThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-17/
Security Vulnerabilities fixed in Firefox ESR 68.8 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-18/
Security Vulnerabilities fixed in Thunderbird 68.8.0 — MozillaVendor Advisory
-
http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html
usrsctp Stack Buffer Overflow ≈ Packet StormThird Party Advisory;VDB Entry
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
[security-announce] openSUSE-SU-2020:0917-1: important: Security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4373-1/
USN-4373-1: Thunderbird vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/202005-04
Mozilla Firefox: Multiple vulnerabilities (GLSA 202005-04) — Gentoo securityThird Party Advisory
-
https://security.gentoo.org/glsa/202005-03
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202005-03) — Gentoo securityPatch;Third Party Advisory
Jump to