REDHAT-BUG-1800472
First published: Fri Feb 07 2020(Updated: )
In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file. Upstream Issue: <a href="https://github.com/Exiv2/exiv2/issues/1011">https://github.com/Exiv2/exiv2/issues/1011</a> Upstream Fix: <a href="https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8">https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/1011
- https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1800473
- https://github.com/Exiv2/exiv2/commit/edb4bf78ca5820f2c7a852c8f2df11e6aba45704
- https://access.redhat.com/security/cve/cve-2019-20421
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1800472
Frequently Asked Questions
What is the severity of REDHAT-BUG-1800472?
The severity of REDHAT-BUG-1800472 is categorized as a denial of service vulnerability due to potential high CPU consumption from an infinite loop.
How do I fix REDHAT-BUG-1800472?
To fix REDHAT-BUG-1800472, you should update to the latest version of Exiv2, which addresses the infinite loop issue.
What impact does REDHAT-BUG-1800472 have on systems?
REDHAT-BUG-1800472 can lead to system unavailability due to high CPU usage from an infinite loop when processing crafted files.
Who is affected by REDHAT-BUG-1800472?
Users of Exiv2 version 0.27.2 are affected by REDHAT-BUG-1800472, particularly those processing specific input files.
Can REDHAT-BUG-1800472 be exploited remotely?
Yes, REDHAT-BUG-1800472 can be exploited remotely by attackers through specially crafted files to trigger the denial of service.
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