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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200501-21] HylaFAX: hfaxd unauthorized login vulnerability


Vulnerability Assessment Details

[GLSA-200501-21] HylaFAX: hfaxd unauthorized login vulnerability

Vulnerability Assessment Summary
HylaFAX: hfaxd unauthorized login vulnerability

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200501-21
(HylaFAX: hfaxd unauthorized login vulnerability)


The code used by hfaxd to match a given username and hostname with
an entry in the hosts.hfaxd file is insufficiently protected against
malicious entries.

Impact

If the HylaFAX installation uses a weak hosts.hfaxd file, a remote
attacker could authenticate using a malicious username or hostname and
bypass the intended access restrictions.

Workaround

As a workaround, administrators may consider adding passwords to
all entries in the hosts.hfaxd file.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1182
http://marc.theaimsgroup.com/?l=hylafax&m=110545119911558&w=2


Solution:
All HylaFAX users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/hylafax-4.2.0-r2"
Note: Due to heightened security, weak entries in the
hosts.hfaxd file may no longer work. Please see the HylaFAX
documentation for details of accepted syntax in the hosts.hfaxd file.


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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