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

CVE-2021-26675

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

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

HIGH · CVSS 8.8 EPSS 0.00186
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
intel connman< 1.39
debian linuxall versions
opensuse leapall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Feb 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10692-1
usnUSN-6236-1
suse-csafopenSUSE-SU-2021:0452-1
suse-csafopenSUSE-SU-2021:0416-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.suse.com/show_bug.cgi?id=1181751Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cbPatchThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLogRelease NotesThird Party Advisory
https://kunnamon.io/tbone/Technical DescriptionThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00013.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-29Third Party Advisory
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