CVE Vulnerability

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 Permissions Required
https://usn.ubuntu.com/4373-1/ Third Party Advisory
https://security.gentoo.org/glsa/202005-03 Patch Third Party Advisory
https://security.gentoo.org/glsa/202005-04 Third Party Advisory
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
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:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Information

Published : 2020-05-26 06:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-6831

Mitre link : CVE-2020-6831

Products Affected
No products.
CWE
CWE-787