Description
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.
References (6)
Core 6
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2018/Sep/49
Various Sources x_refsource_confirm
http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
Exploit, Third Party Advisory x_refsource_misc
https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4298
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2018/09/20/1
Scores
CVSS v3
9.8
EPSS
0.0559
EPSS Percentile
91.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
CWE-824
Status
published
Products (4)
debian/debian_linux
8.0
debian/debian_linux
9.0
hylafax/hylafax
6.0.6
hylafax/hylafax\+
5.6.0
Published
Sep 21, 2018
Tracked Since
Feb 18, 2026