VulnerabilityModified
CVE-2023-2731
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.
MEDIUM 5.5EPSS 0.43%
Does this matter?
Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libtiff/libtiff · fedoraproject/fedora · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2023-2731Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2207635Issue Tracking, Patch, Third Party Advisory
- https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527bPatch
- https://gitlab.com/libtiff/libtiff/-/issues/548Exploit, Issue Tracking, Patch, Third Party Advisory
- 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 Tracking, Patch, Third Party Advisory
- https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527bPatch
- https://gitlab.com/libtiff/libtiff/-/issues/548Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230703-0009/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.