CVE-2005-3539

HylaFAX <= 4.2.3 - Remote Code Execution via Notify Script and CallID Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-3539. PoCs published by Patrice Fournier.

AI-analyzed exploit summary The exploit demonstrates command injection vulnerabilities in HylaFAX via the `sendfax` utility. It leverages improper input sanitization to execute arbitrary commands by embedding shell metacharacters in the `-d` and `-f` parameters.

Description

Multiple eval injection vulnerabilities in HylaFAX 4.2.3 and earlier allow remote attackers to execute arbitrary commands via (1) the notify script in HylaFAX 4.2.0 to 4.2.3 and (2) crafted CallID parameters to the faxrcvd script in HylaFAX 4.2.2 and 4.2.3.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Patrice Fournier · textremotelinux
https://www.exploit-db.com/exploits/27032

The exploit demonstrates command injection vulnerabilities in HylaFAX via the `sendfax` utility. It leverages improper input sanitization to execute arbitrary commands by embedding shell metacharacters in the `-d` and `-f` parameters.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: HylaFAX (version not specified)
No auth needed
Prerequisites: Access to the `sendfax` utility on a vulnerable HylaFAX installation
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (12)

Core 12
Core References
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18314
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16151
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18366
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18337
Various Sources x_refsource_confirm
http://www.hylafax.org/content/HylaFAX_4.2.4_release
Patch, Vendor Advisory vendor-advisory x_refsource_gentoo
http://www.gentoo.org/security/en/glsa/glsa-200601-03.xml
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18489
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2005/dsa-933
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/420974/100/0/threaded
Various Sources x_refsource_misc
http://bugs.hylafax.org/bugzilla/show_bug.cgi?id=719
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/0072
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:015

Scores

EPSS 0.1265
EPSS Percentile 95.8%

Details

Status published
Products (5)
hylafax/hylafax 4.1.1
hylafax/hylafax 4.2
hylafax/hylafax 4.2.1
hylafax/hylafax 4.2.2
hylafax/hylafax 4.2.3
Published Dec 31, 2005
Tracked Since Feb 18, 2026