CVE-2023-0800: Buffer Overflow
LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3502, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.
Other sources
LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow when processing TIFF files in extractContigSamplesShifted16bits in tools/tiffcrop.c. By persuading a victim to open a specially-crafted TIFF file, a remote attacker could overflow a buffer and cause a denial of service.
— IBM
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2023-0800?
CVE-2023-0800 is a vulnerability in LibTIFF 4.4.0 that allows attackers to cause a denial-of-service via a crafted tiff file.
How can this vulnerability be exploited?
This vulnerability can be exploited by using a specially crafted tiff file that triggers an out-of-bounds write in the tiffcrop tool.
How severe is CVE-2023-0800?
CVE-2023-0800 has a severity level of medium.
How can I fix CVE-2023-0800?
If you compile libtiff from sources, you can fix this vulnerability by applying commit 33aee127.
Where can I find more information about CVE-2023-0800?
You can find more information about CVE-2023-0800 at the following references: [Reference 1](https://gitlab.com/libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00), [Reference 2](https://gitlab.com/libtiff/libtiff/-/issues/496), [Reference 3](https://security-tracker.debian.org/tracker/CVE-2023-0800).