NULL pointer dereference in Libtiff
CVE-2022-0908
Null source pointer passed as an argument to memcpy() function within TIFFFetchNormalTag () in tif_dirread.c in libtiff versions up to 4.3.0 could lead to Denial of Service via crafted TIFF file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Libtiff
- NetApp Ontap Select Deploy Administration Utility
- Tiff Software Distribution Libtiff — versions <=4.3.0
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/libtiff/libtiff/-/issues/383 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/-/commit/a95b799f65064e4ba2e2dfc206808f86faf93e85 (Patch, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0908.json (Third Party Advisory)
- www.debian.org/security/2022/dsa-5108 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20220506-0002/ (Third Party Advisory)
- security.gentoo.org/glsa/202210-10 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0908?
- CVE-2022-0908 is a high-severity vulnerability in Libtiff, classified under NULL Pointer Dereference. CVSS score: 7.7/10. Published 2022-03-11.
- How severe is CVE-2022-0908?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2022-0908 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.