Out-of-bounds Read in Libtiff

CVE-2017-17942

In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.

Vulnerability class: Buffer Overflow

EPSS: 0.024 (82.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Libtiff — versions 4.0.9
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2017-17942?
CVE-2017-17942 is a high-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2017-12-28.
How severe is CVE-2017-17942?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-17942 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.