CVE-2017-10688

HIGH

LibTIFF 4.0.8 - Denial of Service via TIFFWriteDirectoryTagCheckedLong8Array Assertion Abort

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-10688. PoCs published by team OWL337.

AI-analyzed exploit summary This exploit triggers a denial-of-service (DoS) condition in LibTIFF by causing an assertion failure in the `TIFFWriteDirectoryTagCheckedLong8Array` function when processing a malformed TIFF file. The PoC demonstrates the crash via a crafted TIFF file processed by the `tiffset` utility.

Description

In LibTIFF 4.0.8, there is a assertion abort in the TIFFWriteDirectoryTagCheckedLong8Array function in tif_dirwrite.c. A crafted input will lead to a remote denial of service attack.

Exploits (1)

exploitdb WORKING POC VERIFIED
by team OWL337 · textdoslinux
https://www.exploit-db.com/exploits/42299

This exploit triggers a denial-of-service (DoS) condition in LibTIFF by causing an assertion failure in the `TIFFWriteDirectoryTagCheckedLong8Array` function when processing a malformed TIFF file. The PoC demonstrates the crash via a crafted TIFF file processed by the `tiffset` utility.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: LibTIFF (versions prior to fix for CVE-2017-10688)
No auth needed
Prerequisites: Access to execute `tiffset` on a vulnerable LibTIFF installation · Crafted TIFF file (POC1)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/99359
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42299/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3602-1/
Issue Tracking x_refsource_misc
http://bugzilla.maptools.org/show_bug.cgi?id=2712
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3903

Scores

CVSS v3 7.5
EPSS 0.0672
EPSS Percentile 93.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (1)
libtiff/libtiff 4.0.8
Published Jun 29, 2017
Tracked Since Feb 18, 2026