REDHAT-BUG-1531171: Null Pointer Dereference
First published: Thu Jan 04 2018(Updated: )
Exiv2 0.26 has a Null Pointer Dereference in the Exiv2::DataValue::toLong function in value.cpp, related to crafted metadata in a malformed TIFF file. The vulnerability causes a segmentation fault. [UPSTREAM BUG] <a href="https://github.com/Exiv2/exiv2/issues/168">https://github.com/Exiv2/exiv2/issues/168</a> [UPSTREAM PATCH] <a href="https://github.com/Exiv2/exiv2/pull/199">https://github.com/Exiv2/exiv2/pull/199</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix |
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Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-1531171?
The severity of REDHAT-BUG-1531171 is classified as moderate due to the potential for a segmentation fault in Exiv2.
How do I fix REDHAT-BUG-1531171?
To fix REDHAT-BUG-1531171, you should update Exiv2 to the latest version which includes the necessary patches.
What causes the vulnerability REDHAT-BUG-1531171?
REDHAT-BUG-1531171 is caused by a null pointer dereference in the Exiv2::DataValue::toLong function when processing malformed TIFF files.
What software is affected by REDHAT-BUG-1531171?
REDHAT-BUG-1531171 affects the Exiv2 library due to its handling of crafted metadata in TIFF files.
Is there a known exploit for REDHAT-BUG-1531171?
As of now, there are no known exploits in the wild specifically targeting REDHAT-BUG-1531171.
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