CVE-2018-17141

high-risk
Published 2018-09-21

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.

Do I need to act?

~
5.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Hylafax
Hylafax\+

Affected Vendors

Debian Hylafax

References (12)

http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b30...
Exploit http://www.openwall.com/lists/oss-security/2018/09/20/1
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
Exploit https://seclists.org/bugtraq/2018/Sep/49
Third Party Advisory https://www.debian.org/security/2018/dsa-4298
Exploit https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/
http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b30...
Exploit http://www.openwall.com/lists/oss-security/2018/09/20/1
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
Exploit https://seclists.org/bugtraq/2018/Sep/49
Third Party Advisory https://www.debian.org/security/2018/dsa-4298
Exploit https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/
51
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 10/34 · Low