Medium severity · published Feb 9, 2021
CVE-2021-26676
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
6.5
CVSS
1.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Connman · Intel
before 1.39 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
LE
Leap · Opensuse
15.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26676
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26676
Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=1181751
Patch
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa
Patch
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1
Release Notes
https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog
Third Party Advisory
https://kunnamon.io/tbone/
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html
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