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SpamAssassin: Arbitrary command execution — GLSA 202105-26

A vulnerability in SpamAssassin might allow remote attackers to execute arbitrary commands.

Affected packages

Package mail-filter/spamassassin on all architectures
Affected versions < 3.4.5
Unaffected versions >= 3.4.5

Background

SpamAssassin is an extensible email filter used to identify junk email.

Description

It was discovered that SpamAssassin incorrectly handled certain CF files.

Impact

A remote attacker could entice a user or automated system to process a specially crafted CF file using SpamAssassin, possibly resulting in execution of arbitrary commands with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All SpamAssassin users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-filter/spamassassin-3.4.5"

References

Release date
May 26, 2021

Latest revision
May 26, 2021: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries