CVE-2023-2731

Summary

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.

Affected Software

Weaknesses

• CWE-476: CWE-476 - NULL Pointer Dereference

ADP Enrichment

CVE Program Container

Additional References

• https://gitlab.com/libtiff/libtiff/-/issues/548
• https://bugzilla.redhat.com/show_bug.cgi?id=2207635
• https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b
• https://access.redhat.com/security/cve/CVE-2023-2731
• https://security.netapp.com/advisory/ntap-20230703-0009/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://gitlab.com/libtiff/libtiff/-/issues/548
• https://bugzilla.redhat.com/show_bug.cgi?id=2207635
• https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b
• https://access.redhat.com/security/cve/CVE-2023-2731
• https://security.netapp.com/advisory/ntap-20230703-0009/

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