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SecurityvulnsSECURITYVULNS:DOC:27616
HistoryFeb 08, 2012 - 12:00 a.m.

[USN-1346-1] curl vulnerability

2012-02-0800:00:00
vulners.com
24

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Ubuntu Security Notice USN-1346-1
January 24, 2012

curl vulnerability

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

  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.10

Summary:

curl could be tricked into injecting arbitrary data if it handled a
malicious URL.

Software Description:

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

Details:

Dan Fandrich discovered that curl incorrectly handled URLs containing
embedded or percent-encoded control characters. If a user or automated
system were tricked into processing a specially crafted URL, arbitrary
data could be injected.

Update instructions:

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

Ubuntu 11.10:
libcurl3 7.21.6-3ubuntu3.2
libcurl3-gnutls 7.21.6-3ubuntu3.2
libcurl3-nss 7.21.6-3ubuntu3.2

Ubuntu 11.04:
libcurl3 7.21.3-1ubuntu1.5
libcurl3-gnutls 7.21.3-1ubuntu1.5
libcurl3-nss 7.21.3-1ubuntu1.5

Ubuntu 10.10:
libcurl3 7.21.0-1ubuntu1.3
libcurl3-gnutls 7.21.0-1ubuntu1.3

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

References:
http://www.ubuntu.com/usn/usn-1346-1
CVE-2012-0036

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.21.6-3ubuntu3.2
https://launchpad.net/ubuntu/+source/curl/7.21.3-1ubuntu1.5
https://launchpad.net/ubuntu/+source/curl/7.21.0-1ubuntu1.3

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