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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
Mailutils: Multiple vulnerabilities in imap4d and mail
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200505-20
(Mailutils: Multiple vulnerabilities in imap4d and mail)
infamous41d discovered several vulnerabilities in GNU Mailutils.
imap4d does not correctly implement formatted printing of command tags
(CVE-2005-1523), fails to validate the range sequence of the "FETCH"
command (CVE-2005-1522), and contains an integer overflow in the
"fetch_io" routine (CVE-2005-1521). mail contains a buffer overflow in
A remote attacker can exploit the format string and integer
overflow in imap4d to execute arbitrary code as the imap4d user, which
is usually root. By sending a specially crafted email message, a remote
attacker could exploit the buffer overflow in the "mail" utility to
execute arbitrary code with the rights of the user running mail.
Finally, a remote attacker can also trigger a Denial of Service by
sending a malicious FETCH command to an affected imap4d, causing
excessive resource consumption.
There are no known workarounds at this time.
All GNU Mailutils users should upgrade to the latest available
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/mailutils-0.6-r1"
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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