REDHAT-BUG-1649094: Integer Overflow
First published: Mon Nov 12 2018(Updated: )
A flaw was found in Exiv2 0.26. A heap-based buffer over-read in Exiv2::IptcParser::decode in iptc.cpp (called from psdimage.cpp in the PSD image reader). This could lead to a denial of service caused by an integer overflow via a crafted PSD image file. References: <a href="https://github.com/Exiv2/exiv2/issues/427">https://github.com/Exiv2/exiv2/issues/427</a> Upstream Patch: <a href="https://github.com/Exiv2/exiv2/pull/518">https://github.com/Exiv2/exiv2/pull/518</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/427
- https://github.com/Exiv2/exiv2/pull/518
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1649095
- https://github.com/Exiv2/exiv2/commit/68966932510213b5656fcf433ab6d7e26f48e23b
- https://github.com/Exiv2/exiv2/commit/b7c71f3ad0386cd7af3b73443c0615ada073f0d5
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/errata/RHSA-2019:2101
- https://access.redhat.com/security/cve/cve-2018-19107
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1649094
Frequently Asked Questions
What is the severity of REDHAT-BUG-1649094?
The severity of REDHAT-BUG-1649094 is significant due to the potential for denial of service.
How do I fix REDHAT-BUG-1649094?
To fix REDHAT-BUG-1649094, update Exiv2 to the latest version that addresses this vulnerability.
What causes the vulnerability REDHAT-BUG-1649094?
The vulnerability REDHAT-BUG-1649094 is caused by a heap-based buffer over-read resulting from an integer overflow when processing crafted PSD image files.
What are the potential impacts of REDHAT-BUG-1649094?
The potential impacts of REDHAT-BUG-1649094 include application crashes and denial of service due to the exploitation of the vulnerability.
Is my system affected by REDHAT-BUG-1649094?
If you are using Exiv2 version 0.26 or earlier, your system may be affected by REDHAT-BUG-1649094.
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