sendmail: Information disclosure — GLSA 201412-32

A vulnerability in sendmail could allow a local attacker to obtain sensitive information.

Affected Packages

mail-mta/sendmail on all architectures
Affected versions < 8.14.9
Unaffected versions >= 8.14.9

Background

sendmail is a widely-used Mail Transport Agent (MTA).

Description

The sm_close_on_exec function in conf.c has arguments in the wrong order.

Impact

A local attacker could get access to unintended high-numbered file descriptors via a specially crafted program.

Workaround

There is no known workaround at this time.

Resolution

All sendmail users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-mta/sendmail-8.14.9"
 

References

Release Date
December 22, 2014

Latest Revision
December 22, 2014: 1

Severity
normal

Exploitable
local

Bugzilla entries