Bug 2084260 (CVE-2022-1623)

Summary: CVE-2022-1623 libtiff: out-of-bounds read in LZWDecode
Product: [Other] Security Response Reporter: Anten Skrabec <askrabec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: erik-fedora, mike, mmuzila, neuro-sig, nforro, phracek, rh-spice-bugs, sanjay.ankur
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read vulnerability was found in Libtiff's LZWDecode() function in libtiff/tif_lzw.c. This flaw allows an attacker to perform a denial-of-service attack via a crafted tiff file, leading to the application crashing.
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-05-30 12:31:09 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: 2084261, 2084263, 2084264, 2084265, 2084266, 2084267    
Bug Blocks: 2084262    

Description Anten Skrabec 2022-05-11 18:46:31 UTC
LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

https://gitlab.com/libtiff/libtiff/-/commit/b4e79bfa0c7d2d08f6f1e7ec38143fc8cb11394a
https://gitlab.com/libtiff/libtiff/-/issues/410
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1623.json

Comment 1 Anten Skrabec 2022-05-11 18:46:45 UTC
Created iv tracking bugs for this issue:

Affects: fedora-34 [bug 2084261]

Comment 2 Anten Skrabec 2022-05-11 18:48:16 UTC
Created iv tracking bugs for this issue:

Affects: fedora-35 [bug 2084265]


Created libtiff tracking bugs for this issue:

Affects: fedora-34 [bug 2084263]
Affects: fedora-35 [bug 2084266]


Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-34 [bug 2084264]
Affects: fedora-35 [bug 2084267]

Comment 4 Product Security DevOps Team 2022-05-30 12:31:07 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-2022-1623