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Sendmail smad Vulnerability
Information
Severity
Severity
High
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
15 years ago
Modified
Modified
5 years ago
Summary
The remote host is subject to the 'smad' attack(sendmail accept dos).
Insight
Insight
Smad prevents sendmail from accepting legitimate connections. An attacker may use this flaw to prevent you from receiving any email, thus lowering the interest of being connected to internet. This attack is specific to some versions of the Linux kernel. There are various security bugs in the implementation of this service which can be used by an intruder to gain a root account rather easily.
Solution
Solution
Upgrade your Linux kernel to a newer version or filter incoming traffic to this port.