Bug 1656187 (CVE-2018-19535) - CVE-2018-19535 exiv2: heap-based buffer over-read in PngChunk::readRawProfile in pngchunk_int.cpp
Summary: CVE-2018-19535 exiv2: heap-based buffer over-read in PngChunk::readRawProfile...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-19535
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1656188 1656845 1656848
Blocks: 1656189
TreeView+ depends on / blocked
 
Reported: 2018-12-04 22:04 UTC by Laura Pardo
Modified: 2021-02-16 22:42 UTC (History)
3 users (show)

Fixed In Version:
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Environment:
Last Closed: 2019-08-06 19:20:20 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:2101 0 None None None 2019-08-06 12:14:50 UTC
Red Hat Product Errata RHSA-2020:1577 0 None None None 2020-04-28 15:27:27 UTC

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. 


References:
https://github.com/Exiv2/exiv2/issues/428 
https://github.com/Exiv2/exiv2/pull/430
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 
Statement:

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):

https://access.redhat.com/security/cve/cve-2018-19535
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
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