#VU19977 Infinite loop in Mgetty+Sendfax - CVE-2019-1010189

Vulnerability identifier: #VU19977

Vulnerability risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1010189

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mgetty+Sendfax
Client/Desktop applications / Other client software

Vendor: EDV-Beratung Gert Döring

Description

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

The vulnerability exists due to infinite loop in g3/g32pbm.c. A remote attacker can create a specially crafted file, pass it to the application and consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mgetty+Sendfax: 1.2.0

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External links
https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty/

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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.