Vulnerability Description
A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libtiff | Libtiff | < 4.5.0 |
| Fedoraproject | Fedora | 38 |
| Redhat | Enterprise Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-2731Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2207635Issue TrackingPatchThird Party Advisory
- https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025ePatch
- https://gitlab.com/libtiff/libtiff/-/issues/548ExploitIssue TrackingPatch
- https://security.netapp.com/advisory/ntap-20230703-0009/
- https://access.redhat.com/security/cve/CVE-2023-2731Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2207635Issue TrackingPatchThird Party Advisory
- https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025ePatch
- https://gitlab.com/libtiff/libtiff/-/issues/548ExploitIssue TrackingPatch
- https://security.netapp.com/advisory/ntap-20230703-0009/
FAQ
What is CVE-2023-2731?
CVE-2023-2731 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to ...
How severe is CVE-2023-2731?
CVE-2023-2731 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2731?
Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Fedoraproject Fedora, Redhat Enterprise Linux.