CVE-2023-1916 — A flaw was found in tiffcrop, a program distributed by the libtiff package

A flaw was found in tiffcrop, a program distributed by the libtiff package. A specially crafted tiff file can lead to an out-of-bounds read in the extractImageSection function in tools/tiffcrop.c, resulting in a denial of service and limited information disclosure. This issue aff

01What is this vulnerability?

A flaw was found in tiffcrop, a program distributed by the libtiff package. A specially crafted tiff file can lead to an out-of-bounds read in the extractImageSection function in tools/tiffcrop.c, resulting in a denial of service and limited information disclosure. This issue affects libtiff versions 4.x.

02Affected products

Vendor	Product	Versions
n	a / libtiff	libtiff versions 4.x and newer are affected

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-10T00:00:00.000Z
• Last modified: 2024-08-02T06:05:26.709Z

09References

• gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/536%2C
• gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/537
• support.apple.com — https://support.apple.com/kb/HT213844