Risks
Advisories
Browse
or
or
Ubuntu Security Notice - squid-cgi vulnerabilities (USN-1713-1)
==========================================================================
Ubuntu Security Notice USN-1713-1
January 31, 2013

squid-cgi vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS

Summary:

squid-cgi could consume excessive system resources, leading to a denial
of service attack on it and other hosted services.

Software Description:
- squid3: Full featured Web Proxy cache (HTTP proxy)
- squid: Internet object cache (WWW proxy cache)

Details:

It was discovered that squid's cachemgr.cgi was vulnerable to excessive
resource use. A remote attacker could exploit this flaw to perform a denial
of service attack on the server and other hosted services. (CVE-2012-5643)

It was discovered that the patch for CVE-2012-5643 was incorrect. A
remote attacker could exploit this flaw to perform a denial of service
attack. (CVE-2013-0189)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.10:
  squid-cgi                       3.1.20-1ubuntu1.1

Ubuntu 12.04 LTS:
  squid-cgi                       3.1.19-1ubuntu3.12.04.2

Ubuntu 11.10:
  squid-cgi                       3.1.14-1ubuntu0.3

Ubuntu 10.04 LTS:
  squid-cgi                       2.7.STABLE7-1ubuntu12.6

In general, a standard system update will make all the necessary changes.
Ensure the webserver access controls properly restrict access to cachemgr.cgi.

References:
  http://www.ubuntu.com/usn/usn-1713-1
  CVE-2012-5643, CVE-2013-0189

Package Information:
  https://launchpad.net/ubuntu/+source/squid3/3.1.20-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/squid3/3.1.19-1ubuntu3.12.04.2
  https://launchpad.net/ubuntu/+source/squid3/3.1.14-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/squid/2.7.STABLE7-1ubuntu12.6




Spotlight

Banking botnets persist despite takedowns

More than 90 percent of all Trojans targeted financial institutions located in US, followed by the UK, Germany, Italy, Spain and Australia.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Fri, Apr 24th
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //