Bug 2276140 (CVE-2024-31745)

Summary:	CVE-2024-31745 libdwarf: use after free in dw_empty_errlist_item in dwarf_alloc.c
Product:	[Other] Security Response	Reporter:	Robb Gatica <rgatica>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libdwarf 0.9.2	Doc Type:	---
Doc Text:	A flaw was found in libdwarf. An attacker may use a specially-crafted file to trigger a use-after-free condition, which can potentially lead to an application crash or other unexpected behavior.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2276141
Bug Blocks:	2276137

Description Robb Gatica 2024-04-19 19:48:02 UTC

Libdwarf v0.9.1 was discovered to contain a heap use-after-free via the dw_empty_errlist_item function at /libdwarf/dwarf_alloc.c.

https://github.com/davea42/libdwarf-code/commit/404e6b1b14f60c81388d50b4239f81d461b3c3ad
https://github.com/davea42/libdwarf-code/issues/238

Comment 1 Robb Gatica 2024-04-19 19:49:00 UTC

Created libdwarf tracking bugs for this issue:

Affects: fedora-all [bug 2276141]