Buffer overflow in Hylafax

CVE-2018-17141

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.

Vulnerability class: Buffer Overflow

EPSS: 0.056 (91.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17141?
CVE-2018-17141 is a critical-severity vulnerability in Hylafax, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-09-21.
How severe is CVE-2018-17141?
Critical severity. CVSS v3 base score is 9.8 out of 10.