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[ GLSA 201110-23 ] Apache mod_authnz_external: SQL injection
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PostPosted: Tue Oct 25, 2011 5:26 pm    Post subject: [ GLSA 201110-23 ] Apache mod_authnz_external: SQL injection Reply with quote

Gentoo Linux Security Advisory

Title: Apache mod_authnz_external: SQL injection (GLSA 201110-23)
Severity: low
Exploitable: remote
Date: October 25, 2011
Bug(s): #386165
ID: 201110-23

Synopsis

An input sanitation flaw in mod_authnz_external allows remote
attacker to conduct SQL injection.


Background

mod_authnz_external is a tool for creating custom authentication
backends for HTTP basic authentication.


Affected Packages

Package: www-apache/mod_authnz_external
Vulnerable: < 3.2.6
Unaffected: >= 3.2.6
Architectures: All supported architectures


Description

mysql/mysql-auth.pl in mod_authnz_external does not properly sanitize
input before using it in an SQL query.


Impact

A remote attacker could exploit this vulnerability to inject arbitrary
SQL statements by using a specially crafted username for HTTP
authentication on a site using mod_authnz_external.


Workaround

There is no known workaround at this time.

Resolution

All Apache mod_authnz_external users should upgrade to the latest
version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose
      ">=www-apache/mod_authnz_external-3.2.6"
   


References

CVE-2011-2688
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