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Sendmail Mail Relay Vulnerability

Information

Severity

Severity

High

Family

Family

SMTP problems

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

12 years ago

Modified

Modified

5 years ago

Summary

This host is installed with Sendmail and is prone to mail relay vulnerability.

Insight

Insight

The flaw is due to an error in the mailconf module in Linuxconf which generates the Sendmail configuration file (sendmail.cf) and configures Sendmail to run as an open mail relay, which allows remote attackers to send Spam email.

Affected Software

Affected Software

Linuxconf versions 1.24 r2, 1.2.5 r3 Linuxconf versions 1.24 r2, 1.2.5 r3 on Conectiva Linux 6.0 through 8 IBM AIX versions 4.3, 4.3.1, 4.3.2, 4.3.3, 5.1, 5.1 L, 5.2.

Solution

Solution

Upgrade to the latest version of Linuxconf version 1.29r1 or later. For IBM AIX, apply the patch from the referenced ibm link.

Common Vulnerabilities and Exposures (CVE)