CVE-2022-2869

Description

libtiff's tiffcrop tool has a uint32_t underflow which leads to out of bounds read and write in the extractContigSamples8bits routine. An attacker who supplies a crafted file to tiffcrop could trigger this flaw, most likely by tricking a user into opening the crafted file with tiffcrop. Triggering this flaw could cause a crash or potentially further exploitation.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2118869

https://lists.debian.org/debian-lts-announce/2023/01/msg00018.html

https://www.debian.org/security/2023/dsa-5333

Details