Denial of service in LibTIFF



Published: 2018-06-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10963
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor LibTIFF

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU13373

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-10963

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause denial of service conditions.

The vulnerability exists due to insufficient validation of user-supplied input processed by the TIFFWriteDirectorySec() function, as defined in the tif_dirwrite.c source code file. A remote attacker can trick the victim into opening a specially crafted file, trigger assertion failure and cause the application to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

LibTIFF: 4.0 - 4.0.9

External links

http://gitlab.com/libtiff/libtiff/commit/de144fd228e4be8aa484c3caf3d814b6fa88c6d9


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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