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
Exim: Two buffer overflows
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200501-23
(Exim: Two buffer overflows)
Buffer overflows have been found in the host_aton() function
(CVE-2005-0021) as well as in the spa_base64_to_bits() function
(CVE-2005-0022), which is part of the SPA authentication code.
A local attacker could trigger the buffer overflow in host_aton()
by supplying an illegal IPv6 address with more than 8 components, using
a command line option. The second vulnerability could be remotely
exploited during SPA authentication, if it is enabled on the server.
Both buffer overflows can potentially lead to the execution of
There is no known workaround at this time.
All Exim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.43-r2"
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
|Dell T7810 workstation 64GB RAM 1x 1TB 2 x E5-2623v4 K2200 Win 10 Pro
|Dell T7810 workstation 16GB RAM 1x 256GB & 1x 1TB 2 x E5-2696v4 K420 Win 10 Pro
|Dell T7810 workstation 2 x E5-2690 v3 32GB RAM 1x 1TB K4000 Win 10 Pro
|DELL T7910 Workstation 16GB 2x 1TB 2 x E5-2678v3 M6000 12GB
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