Ubuntu Security Notice USN-2474-1
15th January, 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
Summary
curl could be tricked into adding arbitrary requests when following certain
URLs.
Software description
- curl
– HTTP, HTTPS, and FTP client and client libraries
Details
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 version:
- Ubuntu 14.10:
-
libcurl3-nss
7.37.1-1ubuntu3.2
-
libcurl3-gnutls
7.37.1-1ubuntu3.2
-
libcurl3
7.37.1-1ubuntu3.2
- Ubuntu 14.04 LTS:
-
libcurl3-nss
7.35.0-1ubuntu2.3
-
libcurl3-gnutls
7.35.0-1ubuntu2.3
-
libcurl3
7.35.0-1ubuntu2.3
- Ubuntu 12.04 LTS:
-
libcurl3-nss
7.22.0-3ubuntu4.12
-
libcurl3-gnutls
7.22.0-3ubuntu4.12
-
libcurl3
7.22.0-3ubuntu4.12
- Ubuntu 10.04 LTS:
-
libcurl3-gnutls
7.19.7-1ubuntu1.11
-
libcurl3
7.19.7-1ubuntu1.11
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.