Bug 2230708 (TRIAGE-CVE-2023-39976) - TRIAGE-CVE-2023-39976 libqb: Buffer overflow in log_blackbox.c
Summary: TRIAGE-CVE-2023-39976 libqb: Buffer overflow in log_blackbox.c
Keywords:
Status: NEW
Alias: TRIAGE-CVE-2023-39976
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
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Depends On: 2230709 2230711 2230712
Blocks: 2230710
TreeView+ depends on / blocked
 
Reported: 2023-08-09 20:36 UTC by Pedro Sampaio
Modified: 2023-08-14 16:34 UTC (History)
4 users (show)

Fixed In Version: libqb 2.0.8
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Description Pedro Sampaio 2023-08-09 20:36:22 UTC 
log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.

References:

https://github.com/ClusterLabs/libqb/pull/490
https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8
https://github.com/ClusterLabs/libqb/compare/v2.0.7...v2.0.8
Comment 1 Pedro Sampaio 2023-08-09 20:36:38 UTC 
Created libqb tracking bugs for this issue:

Affects: fedora-all [bug 2230709]
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