[USN-2474-1] curl vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Thu Jan 15 14:35:14 UTC 2015

Ubuntu Security Notice USN-2474-1
January 15, 2015

curl vulnerability

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS


curl could be tricked into adding arbitrary requests when following certain

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


Andrey Labunets discovered that curl incorrectly handled certain URLs when
using a proxy server. If a user or automated system were tricked into using
a specially crafted URL, an attacker could possibly use this issue to
inject arbitrary HTTP requests.

Update instructions:

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

Ubuntu 14.10:
  libcurl3                        7.37.1-1ubuntu3.2
  libcurl3-gnutls                 7.37.1-1ubuntu3.2
  libcurl3-nss                    7.37.1-1ubuntu3.2

Ubuntu 14.04 LTS:
  libcurl3                        7.35.0-1ubuntu2.3
  libcurl3-gnutls                 7.35.0-1ubuntu2.3
  libcurl3-nss                    7.35.0-1ubuntu2.3

Ubuntu 12.04 LTS:
  libcurl3                        7.22.0-3ubuntu4.12
  libcurl3-gnutls                 7.22.0-3ubuntu4.12
  libcurl3-nss                    7.22.0-3ubuntu4.12

Ubuntu 10.04 LTS:
  libcurl3                        7.19.7-1ubuntu1.11
  libcurl3-gnutls                 7.19.7-1ubuntu1.11

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


Package Information:

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