REDHAT-BUG-1660426
First published: Tue Dec 18 2018(Updated: )
There is an infinite loop in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a denial of service attack. Upstream issue: <a href="https://github.com/Exiv2/exiv2/issues/590">https://github.com/Exiv2/exiv2/issues/590</a> References: <a href="https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206">https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1660427
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1660428
- https://github.com/Exiv2/exiv2/pull/592/commits/eff0f52d0466d81beabf304e2500f3039fd90252
- https://access.redhat.com/security/updates/classification/
- https://access.redhat.com/errata/RHSA-2019:2101
- https://access.redhat.com/security/cve/cve-2018-20099
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1660426
Frequently Asked Questions
What is the severity of REDHAT-BUG-1660426?
The vulnerability REDHAT-BUG-1660426 is classified as a denial of service due to an infinite loop.
How does REDHAT-BUG-1660426 affect Exiv2?
REDHAT-BUG-1660426 allows attackers to create crafted input that can lead to an infinite loop, causing application crashes.
How do I fix REDHAT-BUG-1660426?
Updating to a patched version of Exiv2 that addresses the infinite loop vulnerability will remedy REDHAT-BUG-1660426.
What version of Exiv2 is affected by REDHAT-BUG-1660426?
Exiv2 version 0.27-RC3 is specifically identified as being vulnerable in REDHAT-BUG-1660426.
Is REDHAT-BUG-1660426 exploitable remotely?
Yes, REDHAT-BUG-1660426 can potentially be exploited remotely if an attacker can provide the crafted input.
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