Denial of service in LibTIFF



Published: 2018-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10126
CWE-ID CWE-476
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor LibTIFF

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU12116

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 - NULL Pointer Dereference

Exploit availability: No

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

External links

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


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.



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