#VU24199 Infinite loop in libjpeg - CVE-2018-11813

Vulnerability identifier: #VU24199

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-11813

CWE-ID: CWE-835

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 perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in read_pixel() function in rdtarga.c when processing EOF (end-of-line) characters. A remote attacker can use a specially crafted image to consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libjpeg: 9c - 9

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External links
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00015.html
https://lists.opensuse.org/opensuse-security-announce/2019-05/msg00015.html
https://access.redhat.com/errata/RHSA-2019:2052
https://github.com/ChijinZ/security_advisories/blob/master/libjpeg-v9c/mail.pdf
https://github.com/ChijinZ/security_advisories/tree/master/libjpeg-v9c

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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.