REDHAT-BUG-1646555
First published: Mon Nov 05 2018(Updated: )
A flaw was found in Exiv2 0.27-RC1. An infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp. A crafted input will lead to a remote denial of service attack. References: <a href="https://github.com/Exiv2/exiv2/issues/511">https://github.com/Exiv2/exiv2/issues/511</a> Upstream Patch: <a href="https://github.com/Exiv2/exiv2/pull/517">https://github.com/Exiv2/exiv2/pull/517</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/511
- https://github.com/Exiv2/exiv2/pull/517
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1646556
- https://github.com/Exiv2/exiv2/commit/ae49250942f4395639961abeed3c15920fcd7241
- https://access.redhat.com/errata/RHSA-2019:2101
- https://access.redhat.com/security/cve/cve-2018-18915
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1646555
Frequently Asked Questions
What is the severity of REDHAT-BUG-1646555?
The severity of REDHAT-BUG-1646555 is critical due to the potential for remote denial of service attacks.
How do I fix REDHAT-BUG-1646555?
To fix REDHAT-BUG-1646555, you should upgrade Exiv2 to a version that has addressed this vulnerability.
What causes the issue in REDHAT-BUG-1646555?
The issue in REDHAT-BUG-1646555 is caused by an infinite loop in the Exiv2::Image::printIFDStructure function.
Who is affected by REDHAT-BUG-1646555?
Users of Exiv2 0.27-RC1 and earlier versions are affected by the vulnerability described in REDHAT-BUG-1646555.
What are the potential impacts of REDHAT-BUG-1646555?
The potential impacts of REDHAT-BUG-1646555 include service interruption and resource exhaustion due to the denial of service condition.
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