CVE-2021-33833

CRITICAL

Intel Connection Manager 1.30-1.39 - Stack-based Buffer Overflow in DNS Proxy via NAME/RDATA/RDLENGTH

Title source: llm
STIX 2.1

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).

References (5)

Core 5
Core References
Vendor Advisory x_refsource_misc
https://lore.kernel.org/connman/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/06/09/1
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202107-29
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/01/25/1
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html

Scores

CVSS v3 9.8
EPSS 0.0015
EPSS Percentile 35.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
debian/debian_linux 9.0
intel/connection_manager 1.30 - 1.39
Published Jun 09, 2021
Tracked Since Feb 18, 2026