Gld contains several serious vulnerabilities, potentially resulting in the execution of arbitrary code as the root user.

Announced

2005-04-13

Revised

2006-05-22 (revision 2)

Access

remote

Bugs

#88904

Advisory

https://security.gentoo.org/glsa/200504-10

Affected packages

Package	Arch	Vulnerable	Unaffected
mail-filter/gld	*	<= 1.4	>= 1.5

Background

Gld is a standalone greylisting server for Postfix.

Description

dong-hun discovered several buffer overflows in server.c, as well as several format string vulnerabilities in cnf.c.

Impact

An attacker could exploit this vulnerability to execute arbitrary code with the permissions of the user running Gld, the default user being root.

Workaround

There is no known workaround at this time.

Resolution

All Gld users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/gld-1.5"

References

• SecurityTracker ID 1013678
• CVE-2005-1099
• CVE-2005-1100