CVE-2020-12105 Information

Description

OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls which might assist attackers in performing man-in-the-middle attacks.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00039.html https://gitlab.com/openconnect/openconnect/-/merge_requests/96 https://security.gentoo.org/glsa/202006-15

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9