CVE-2017-18005: Null Pointer Dereference
First published: Sun Dec 31 2017(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>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix | =0.26 | |
| Debian | =10.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18005?
CVE-2017-18005 has been classified as a moderate severity vulnerability due to potential denial-of-service risks.
How do I fix CVE-2017-18005?
To fix CVE-2017-18005, upgrade Exiv2 to the latest version that addresses this vulnerability.
What causes the CVE-2017-18005 vulnerability?
The CVE-2017-18005 vulnerability is caused by a null pointer dereference in the Exiv2::DataValue::toLong function when processing malformed TIFF file metadata.
Which software is affected by CVE-2017-18005?
CVE-2017-18005 affects Exiv2 version 0.26 and Debian GNU/Linux version 10.0.
Can CVE-2017-18005 lead to system crashes?
Yes, CVE-2017-18005 can lead to segmentation faults and potential system crashes due to the null pointer dereference.
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