#VU17049 Division by zero in libjpeg - CVE-2018-11212

Vulnerability identifier: #VU17049

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-11212

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

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

Vendor: libjpeg.sourceforge.net

Description
The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to division by zero error within the libjpeg library within the libjpeg-turbo in alloc_sarray() function of jmemmgr.c file. A remote attacker can pass a specially crafted file the to affected application and cause application to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libjpeg: 9a - 9

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External links
https://github.com/ChijinZ/security_advisories/tree/master/libjpeg-v9a

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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.