Use After Free in Libtiff
CVE-2017-17973
In LibTIFF 4.0.8, there is a heap-based use-after-free in the t2p_writeproc function in tiff2pdf.c. NOTE: there is a third-party report of inability to reproduce this issue
Vulnerability class: Use-After-Free
EPSS: 0.031 (86.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Libtiff — versions 4.0.8
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-17973?
- CVE-2017-17973 is a high-severity vulnerability in Libtiff, classified under Use After Free. CVSS score: 8.8/10. Published 2017-12-29.
- How severe is CVE-2017-17973?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-17973 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.