Input validation error - CVE-2018-17141
Published: September 21, 2018 / Updated: August 3, 2020
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file.
How to mitigate CVE-2018-17141
Sources
- http://git.hylafax.org/HylaFAX?a=commit;h=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
- http://www.openwall.com/lists/oss-security/2018/09/20/1
- https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
- https://seclists.org/bugtraq/2018/Sep/49
- https://www.debian.org/security/2018/dsa-4298
- https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/