CVEvulnerability
CVE-2020-12823
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-05-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-120
Description
OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.
Affected configurations
• infradead openconnect 8.09
• fedoraproject fedora 30
• fedoraproject fedora 31
• fedoraproject fedora 32
• debian debian linux 8.0
• opensuse leap 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html Mailing List, Third Party Advisory
- https://bugs.gentoo.org/721570 Exploit, Third Party Advisory
- https://gitlab.com/openconnect/openconnect/-/merge_requests/108 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202006-15 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html Mailing List, Third Party Advisory
- https://bugs.gentoo.org/721570 Exploit, Third Party Advisory
- https://gitlab.com/openconnect/openconnect/-/merge_requests/108 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202006-15 Third Party Advisory