Bug 1656187 (CVE-2018-19535)

Summary: CVE-2018-19535 exiv2: heap-based buffer over-read in PngChunk::readRawProfile in pngchunk_int.cpp
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jgrulich, michel, rdieter
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: 2019-08-06 19:20:20 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: 1656188, 1656845, 1656848    
Bug Blocks: 1656189    

Description Laura Pardo 2018-12-04 22:04:52 UTC
An issue was found in Exiv2 0.26 and previous versions. A heap-based buffer over-read in PngChunk::readRawProfile function in pngchunk_int.cpp may cause a denial of service via a crafted PNG file. 


Comment 1 Laura Pardo 2018-12-04 22:05:26 UTC
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1656188]

Comment 2 Stefan Cornelius 2018-12-06 13:11:37 UTC

This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 6 and 7.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 5 errata-xmlrpc 2019-08-06 12:14:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2101 https://access.redhat.com/errata/RHSA-2019:2101

Comment 6 Product Security DevOps Team 2019-08-06 19:20:20 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Comment 7 errata-xmlrpc 2020-04-28 15:27:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1577 https://access.redhat.com/errata/RHSA-2020:1577