195 : Sendmail debug Arbitrary Command Execution
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Views This Week

5

Views All Time

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Info

Last Modified

7 months ago

Percent Complete

90%

Disclosure

Nov 07, 1988

Discovery

Unknown

Dates

Exploit

Nov 07, 1988

Solution

Unknown

Description

Sendmail contains a flaw that may allow a remote attacker to execute commands without authentication. The issue is triggered when an attacker connects to the SMTP service (port 25), and issues the 'debug' command. If enable, this may allow an attacker to pipe arbitrary commands that will be executed under the same privileges as sendmail.

Classification

Location: Remote/Network Access Required
Attack Type: Misconfiguration
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified
OSVDB: Wormified

Solution

Upgrade to version 5.59 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround: disable the 'decode' alias

Products

Eric Allman
Watch-list
Sendmail
Watch-list
5.58
5.57
5.56

References

Tools & Filters

Nessus

10247

Snort

663

Manual Testing Notes

Credit

Unknown or Incomplete

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