CVE-2021-26675 Information

Description

A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.

CVSS Vector

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

Reference

https://www.openwall.com/lists/oss-security/2021/02/08/2 https://bugzilla.suse.com/show_bug.cgi?id=1181751 https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cb https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html https://www.debian.org/security/2021/dsa-4847 https://kunnamon.io/tbone/ https://security.gentoo.org/glsa/202107-29

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8