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Postfix SMTP Server Cyrus SASL Support Memory Corruption Vulnerability
Information
Severity
Severity
Medium
Family
Family
SMTP problems
CVSSv2 Base
CVSSv2 Base
6.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
11 years ago
Modified
Modified
4 years ago
Summary
This host is running Postfix SMTP server and is prone to memory corruption vulnerability.
Insight
Insight
The flaw is caused by a memory corruption error in the Cyrus SASL library when used with 'CRAM-MD5' or 'DIGEST-MD5' authentication mechanisms, which could allow remote attackers to crash an affected server or execute arbitrary code.
Affected Software
Affected Software
Postfix versions before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3.
Solution
Solution
Upgrade to Postfix version 2.5.13, 2.6.10, 2.7.4, or 2.8.3 or later.