USN-2346-1: curl vulnerabilities

15 September 2014

curl vulnerabilities

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS


Several security issues were fixed in curl.

Software Description

  • curl - HTTP, HTTPS, and FTP client and client libraries


Tim Ruehsen discovered that curl incorrectly handled partial literal IP addresses. This could lead to the disclosure of cookies to the wrong site, and malicious sites being able to set cookies for others. (CVE-2014-3613)

Tim Ruehsen discovered that curl incorrectly allowed cookies to be set for Top Level Domains (TLDs). This could allow a malicious site to set a cookie that gets sent to other sites. (CVE-2014-3620)

Update instructions

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

Ubuntu 14.04 LTS
libcurl3 - 7.35.0-1ubuntu2.1
libcurl3-gnutls - 7.35.0-1ubuntu2.1
libcurl3-nss - 7.35.0-1ubuntu2.1
Ubuntu 12.04 LTS
libcurl3 - 7.22.0-3ubuntu4.10
libcurl3-gnutls - 7.22.0-3ubuntu4.10
libcurl3-nss - 7.22.0-3ubuntu4.10
Ubuntu 10.04 LTS
libcurl3 - 7.19.7-1ubuntu1.9
libcurl3-gnutls - 7.19.7-1ubuntu1.9

To update your system, please follow these instructions:

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