Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Fcron: Multiple vulnerabilities
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200411-27
(Fcron: Multiple vulnerabilities)
Due to design errors in the fcronsighup program, Fcron may permit a
local user to bypass access restrictions (CVE-2004-1031), view the
contents of root owned files (CVE-2004-1030), remove arbitrary files or
create empty files (CVE-2004-1032), and send a SIGHUP to any process. A
vulnerability also exists in fcrontab which may permit local users to
view the contents of fcron.permit and fcron.deny (CVE-2004-1033).
A local attacker could exploit these vulnerabilities to perform a
Denial of Service on the system running Fcron.
Make sure the fcronsighup and fcrontab binaries are only
executable by trusted users.
All Fcron users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/fcron-2.0.2"
Network Security Threat Level: Medium
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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