Vulnerability Monitor

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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.

Published

2020-05-26T18:15:11.513

Last Modified

2024-11-21T05:36:15.383

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 76.0	Yes
Application	mozilla	firefox_esr	< 68.8.0	Yes
Application	mozilla	thunderbird	< 68.8.0	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	19.10	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	opensuse	leap	15.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html Mailing List, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 Permissions Required ([email protected])
https://security.gentoo.org/glsa/202005-03 Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202005-04 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4373-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202005-03 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202005-04 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4373-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)