Bug 2170119 (CVE-2023-0795)

Summary:	CVE-2023-0795 libtiff: out-of-bounds read in extractContigSamplesShifted16bits() in tools/tiffcrop.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, caswilli, dffrench, dkuc, fjansen, gzaronik, hkataria, jburrell, jkoehler, kaycoth, kshier, micjohns, mmuzila, nforro, ngough, rgodfrey, rh-spice-bugs, sthirugn
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in tiffcrop, a program distributed by the libtiff package. A specially crafted tiff file can lead to an out-of-bounds read in the extractContigSamplesShifted16bits function in tools/tiffcrop.c, resulting in a Denial of Service and limited information disclosure.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-06-22 01:42:29 UTC	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:	2170120, 2170121, 2170122, 2170123, 2170581, 2170582, 2170583, 2170584, 2193349
Bug Blocks:	2169674

Description Guilherme de Almeida Suckevicz 2023-02-15 17:32:44 UTC

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3488, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.

References:
https://gitlab.com/libtiff/libtiff/-/issues/493
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0795.json

Upstream patch:
https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68

Comment 1 Guilherme de Almeida Suckevicz 2023-02-15 17:33:17 UTC

Created iv tracking bugs for this issue:

Affects: fedora-all [bug 2170122]


Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 2170120]


Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 2170121]


Created tkimg tracking bugs for this issue:

Affects: fedora-all [bug 2170123]

Comment 3 errata-xmlrpc 2023-06-21 14:38:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:3711 https://access.redhat.com/errata/RHSA-2023:3711

Comment 4 Product Security DevOps Team 2023-06-22 01:42:26 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-0795