Login
Newsletter
Werbung

Sicherheit: Denial of Service in squid-cgi
Aktuelle Meldungen Distributionen
Name: Denial of Service in squid-cgi
ID: USN-1713-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS, Ubuntu 11.10, Ubuntu 12.04 LTS, Ubuntu 12.10
Datum: Do, 31. Januar 2013, 07:36
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5643
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0189
Applikationen: squid-cgi

Originalnachricht


--===============4402384587576187008==
Content-Type: multipart/signed; micalg=pgp-sha1;
protocol="application/pgp-signature";
boundary="cNdxnHkX5QqsyA0e"
Content-Disposition: inline


--cNdxnHkX5QqsyA0e
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

==========================================================================
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


--cNdxnHkX5QqsyA0e
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iQEcBAEBAgAGBQJRCfDGAAoJEPMhclmdjS6X0NUH/1PFr3Ktq5oOjASBmEN4FZOS
ZbsNN1NTOWglozpPsfeJdt0K3LF6EFRGkctbCxWARNcTDs9nNzTr2vWUFQ1jpiv+
8oHtCgWk/wN2ZYGq8WZUR16ieWRALWk6zjwFgSggqrXlVdKHQGFQnYezDyVUka3s
if5Mc7sGTOQ30oj+CAlYOoCEVvjDPL+b4Evvlp7IhQQDo/2g04J+CD0AzXRGz+wS
vRYS64on76NxxI6UwHJQlcu/Yy/WjkDm//j94TwkWRqcdHxM/uS0Ta2Q51KH6mKd
VfLS94TOR+58qopCieEijdA5ZEiZqHHdkUIm5aKO6F3Ql2QiiX1bs0/gVdFMiOk=
=J5cy
-----END PGP SIGNATURE-----

--cNdxnHkX5QqsyA0e--


--===============4402384587576187008==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

--
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce

--===============4402384587576187008==--
Pro-Linux
Gewinnspiel
Neue Nachrichten
Werbung