Ubuntu 13.04 LTS USN-1894-1 Critical: Curl Denial Of Service

ubuntu

July 2, 2013

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

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.

Topics Covered

security advisory denial of service critical ubuntu curl

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.