Vulnerability identifier: #VU12116

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:U/RC:U]

CVE-ID: CVE-2018-10126

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor: LibTIFF

Description
The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the jpeg_fdct_16x16 function in the jfdctint.c source code file due to NULL pointer dereference. A local attacker can use the tiff2pdf tool to print a specially crafted .tif file and cause the service to crash.

Mitigation
Cybersecurity is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

LibTIFF: 4.0.9

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External links
http://bugzilla.maptools.org/show_bug.cgi?id=2786

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.