CVE-2021-26676
Publication date 9 February 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
connman | ||
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 1.36-2ubuntu0.1
|
|
18.04 LTS bionic |
Fixed 1.35-6ubuntu0.1~esm1
|
|
16.04 LTS xenial |
Fixed 1.21-1.2+deb8u1ubuntu0.1~esm1
|
|
14.04 LTS trusty | Not in release |
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 · Medium |
Attack vector | Adjacent |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-6236-1
- ConnMan vulnerabilities
- 19 July 2023
Other references
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1
- https://bugzilla.suse.com/show_bug.cgi?id=1181751
- https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog
- https://www.openwall.com/lists/oss-security/2021/02/08/2
- https://www.cve.org/CVERecord?id=CVE-2021-26676