Ubuntu Security Notice 2346-1 - 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. 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.
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Ubuntu Security Notice USN-2346-1
September 15, 2014
curl vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in curl.
Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries
Details:
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
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2346-1
CVE-2014-3613, CVE-2014-3620
Package Information:
https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.1
https://launchpad.net/ubuntu/+source/curl/7.22.0-3ubuntu4.10
https://launchpad.net/ubuntu/+source/curl/7.19.7-1ubuntu1.9