Bug 1958807 (CVE-2021-27815)

Summary: CVE-2021-27815 libexif: NULL Pointer Deference may lead to DoS by uploading a malicious JPEG file
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: ajax, caillon+fedoraproject, gnome-sig, gwync, jgrulich, rdieter, rhbugs, rhughes, rstrode, sandmann, thomasj, yselkowi
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-17 09:35:13 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1958808, 1958809    
Bug Blocks: 1958810    

Description Marian Rehak 2021-05-10 08:06:29 UTC
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file.

Upstream Reference:


Comment 1 Marian Rehak 2021-05-10 08:07:41 UTC
Created exif tracking bugs for this issue:

Affects: fedora-all [bug 1958808]

Created libexif tracking bugs for this issue:

Affects: fedora-all [bug 1958809]