NULL pointer dereference in Libtiff
CVE-2023-2908
A null pointer dereference issue was found in Libtiff's tif_dir.c file. This issue may allow an attacker to pass a crafted TIFF image file to the tiffcp utility which triggers a runtime error that causes undefined behavior. This will result in an application crash, eventually leading to a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-2908 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f (Patch, Vendor Advisory)
- gitlab.com/libtiff/libtiff/-/merge_requests/479 (Exploit, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2023/07/msg00034.html (Third Party Advisory)
- security.netapp.com/advisory/ntap-20230731-0004/ (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-2908?
- CVE-2023-2908 is a medium-severity vulnerability in Libtiff, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-06-30.
- How severe is CVE-2023-2908?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-2908 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.