Sendmail 8.8.8 to 8.12.7 Double Pipe Access Validation Vulnerability
Summary:
Checks sendmail's version number
Description:
smrsh (supplied by Sendmail) is designed to prevent the execution of commands outside of the restricted environment. However, when commands are entered using either double pipes (||) or a mixture of dot and slash characters, a user may be able to bypass the checks performed by smrsh. This can lead to the execution of commands outside of the restricted environment.
Solution : upgrade to the latest version of Sendmail (or at least 8.12.8).