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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.056 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000
Affected products
- Hylafax — versions 6.0.6
- Hylafax Hylafax\+ — versions 5.6.0
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2018/Sep/49 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- git.hylafax.org/HylaFAX
- www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/ (Exploit, Third Party Advisory)
- www.debian.org/security/2018/dsa-4298 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/09/20/1 (mailing-list, 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.