[USN-1894-1] curl vulnerability

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==========================================================================
Ubuntu Security Notice USN-1894-1
July 02, 2013

curl vulnerability
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

libcurl could be made to crash or run programs as your login if it received
specially crafted input.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Timo Sirainen discovered that libcurl incorrectly handled memory when
parsing URL encoded strings. An attacker could possibly use this issue to
cause libcurl to crash, leading to a denial of service, or execute
arbitrary code.

Update instructions:

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

Ubuntu 13.04:
libcurl3 7.29.0-1ubuntu3.1
libcurl3-gnutls 7.29.0-1ubuntu3.1
libcurl3-nss 7.29.0-1ubuntu3.1

Ubuntu 12.10:
libcurl3 7.27.0-1ubuntu1.3
libcurl3-gnutls 7.27.0-1ubuntu1.3
libcurl3-nss 7.27.0-1ubuntu1.3

Ubuntu 12.04 LTS:
libcurl3 7.22.0-3ubuntu4.2
libcurl3-gnutls 7.22.0-3ubuntu4.2
libcurl3-nss 7.22.0-3ubuntu4.2

Ubuntu 10.04 LTS:
libcurl3 7.19.7-1ubuntu1.3
libcurl3-gnutls 7.19.7-1ubuntu1.3

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1894-1
CVE-2013-2174

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.29.0-1ubuntu3.1
https://launchpad.net/ubuntu/+source/curl/7.27.0-1ubuntu1.3
https://launchpad.net/ubuntu/+source/curl/7.22.0-3ubuntu4.2
https://launchpad.net/ubuntu/+source/curl/7.19.7-1ubuntu1.3