What’s Vulnerable › Vulnerabilities

CVE-2018-17141

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-21 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Debian Linux: 8.0, 9.0
• Hylafax: 6.0.6
• Hylafax+: 5.6.0

References

• http://git.hylafax.org/HylaFAX?a=commit%3Bh=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/
• http://git.hylafax.org/HylaFAX?a=commit%3Bh=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/

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