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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Libtiff — versions 4.0.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.maptools.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.novell.com/show_bug.cgi
- www.securityfocus.com/bid/102331 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi
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.