REDHAT-BUG-1632484: Buffer Overflow
First published: Mon Sep 24 2018(Updated: )
A flaw was found in Exiv2::ul2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted image file. References: <a href="https://github.com/Exiv2/exiv2/issues/455">https://github.com/Exiv2/exiv2/issues/455</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/455
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1632485
- https://github.com/Exiv2/exiv2/commit/afb98cbc6e288dc8ea75f3394a347fb9b37abc55
- https://access.redhat.com/errata/RHSA-2020:1577
- https://access.redhat.com/security/cve/cve-2018-17230
- https://bugzilla.redhat.com/show_bug.cgi?id=1632484
Frequently Asked Questions
What is the severity of REDHAT-BUG-1632484?
The severity of REDHAT-BUG-1632484 is critical due to the potential for a remote denial of service through a heap-based buffer overflow.
How do I fix REDHAT-BUG-1632484?
To fix REDHAT-BUG-1632484, upgrade Exiv2 to the latest version that contains the security patch.
What causes the vulnerability REDHAT-BUG-1632484?
The vulnerability REDHAT-BUG-1632484 is caused by a flaw in the Exiv2::ul2Data function that can be exploited via a crafted image file.
Who is affected by REDHAT-BUG-1632484?
Users and applications utilizing Exiv2 v0.26 are affected by REDHAT-BUG-1632484.
Is there a proof of concept for REDHAT-BUG-1632484?
Yes, the researchers have indicated that a proof of concept exists demonstrating the denial of service vulnerability in REDHAT-BUG-1632484.
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