CVE-2021-33833 Information

Description

ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME RDATA or RDLENGTH (for A or AAAA).

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2021/06/09/1 https://lore.kernel.org/connman/ https://security.gentoo.org/glsa/202107-29 http://www.openwall.com/lists/oss-security/2022/01/25/1 https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html

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

9.8