#VU24203 Out-of-bounds read in libjpeg-turbo - CVE-2018-14498

Vulnerability identifier: #VU24203

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/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-2018-14498

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libjpeg-turbo
Client/Desktop applications / Multimedia software

Vendor: The libjpeg-turbo Project

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition when processing a crafted 8-bit BMP in which one or more of the color indices is out of range for the number of palette entries within the get_8bit_row in rdbmp.c. A remote attacker can create a specially crafted file, pass it to the application, trigger out-of-bounds read error and crash the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libjpeg-turbo: 1.5.90

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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://github.com/libjpeg-turbo/libjpeg-turbo/commit/9c78a04df4e44ef6487eee99c4258397f4fdca55
https://github.com/libjpeg-turbo/libjpeg-turbo/issues/258
https://github.com/mozilla/mozjpeg/issues/299
https://lists.debian.org/debian-lts-announce/2019/03/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7YP4QUEYGHI4Q7GIAVFVKWQ7DJMBYLU/

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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.