REDHAT-BUG-1590993: Integer Overflow
First published: Wed Jun 13 2018(Updated: )
A flaw was found in Exiv2 0.26. An integer overflow in LoaderTiff::getData() in preview.cpp, leading to an out-of-bounds read in Exiv2::ValueType::setDataArea in value.hpp. References: <a href="https://github.com/Exiv2/exiv2/issues/366">https://github.com/Exiv2/exiv2/issues/366</a> <a href="https://github.com/TeamSeri0us/pocs/blob/master/exiv2/2-out-of-read-Poc">https://github.com/TeamSeri0us/pocs/blob/master/exiv2/2-out-of-read-Poc</a> Patch: <a href="https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4">https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/366
- https://github.com/TeamSeri0us/pocs/blob/master/exiv2/2-out-of-read-Poc
- https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1590995
- https://access.redhat.com/errata/RHSA-2019:2101
- https://access.redhat.com/security/cve/cve-2018-12264
- https://bugzilla.redhat.com/show_bug.cgi?id=1590993
Frequently Asked Questions
What is the severity of REDHAT-BUG-1590993?
The severity of REDHAT-BUG-1590993 is considered high due to the potential for out-of-bounds reads.
How do I fix REDHAT-BUG-1590993?
To fix REDHAT-BUG-1590993, update Exiv2 to the latest version where the vulnerability has been patched.
What causes the vulnerability in REDHAT-BUG-1590993?
REDHAT-BUG-1590993 is caused by an integer overflow in the LoaderTiff::getData() function, which leads to out-of-bounds reads.
Which versions of Exiv2 are affected by REDHAT-BUG-1590993?
Exiv2 version 0.26 is specifically affected by the vulnerability identified in REDHAT-BUG-1590993.
What are the potential impacts of REDHAT-BUG-1590993?
The potential impacts of REDHAT-BUG-1590993 include crashes or unauthorized access to memory, which could lead to data leaks.
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