Detections
Analytics

CVE-2020-12823

critical

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.

References

https://security.gentoo.org/glsa/202006-15

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/

https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html

https://gitlab.com/openconnect/openconnect/-/merge_requests/108

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html

https://bugs.gentoo.org/721570

Details

Source: Mitre, NVD

Published: 2020-05-12

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01434