Vulnerability identifier: #VU21451

Vulnerability risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-15143

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DjVuLibre
Client/Desktop applications / Multimedia software

Vendor: DjVu

Description

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

The vulnerability exists due to infinite loop in bitmap reader component in DjVuLibre, related to libdjvu/DjVmDir.cpp and libdjvu/GBitmap.cpp files. A remote attacker can create a specially crafted file, pass it to the application using the affected library and perform denial of service conditions.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DjVuLibre: 3.5.27

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External links
http://lists.debian.org/debian-lts-announce/2019/08/msg00036.html
http://sourceforge.net/p/djvu/bugs/297/
http://sourceforge.net/p/djvu/djvulibre-git/ci/b1f4e1b2187d9e5010cd01ceccf20b4a11ce723f/

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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.