Vulnerability Description
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Intel | Connman | < 1.39 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.2 |
References
- https://bugzilla.suse.com/show_bug.cgi?id=1181751Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74PatchThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3PatchThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLogRelease NotesThird Party Advisory
- https://kunnamon.io/tbone/Third 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
- https://www.debian.org/security/2021/dsa-4847Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/08/2Mailing ListThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1181751Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74PatchThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3PatchThird Party Advisory
- https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLogRelease NotesThird Party Advisory
- https://kunnamon.io/tbone/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00013.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2021-26676?
CVE-2021-26676 is a vulnerability with a CVSS score of 6.5 (MEDIUM). gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.
How severe is CVE-2021-26676?
CVE-2021-26676 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26676?
Check the references section above for vendor advisories and patch information. Affected products include: Intel Connman, Debian Debian Linux, Opensuse Leap.