USN-4129-2: curl vulnerability

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Ubuntu security notices

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curl vulnerability


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

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM
Summary


curl could be made to crash or possibly execute arbitrary code if it incorrectly handled memory during TFTP transfers.

Software Description

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


USN-4129-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.

Original advisory details:

Thomas Vegas discovered that curl incorrectly handled memory during TFTP transfers. A remote attacker could use this issue to crash curl, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions


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

Ubuntu 14.04 ESM
curl - 7.35.0-1ubuntu2.20+esm3
libcurl3 - 7.35.0-1ubuntu2.20+esm3
libcurl3-gnutls - 7.35.0-1ubuntu2.20+esm3
libcurl3-nss - 7.35.0-1ubuntu2.20+esm3
Ubuntu 12.04 ESM
curl - 7.22.0-3ubuntu4.27
libcurl3 - 7.22.0-3ubuntu4.27
libcurl3-gnutls - 7.22.0-3ubuntu4.27
libcurl3-nss - 7.22.0-3ubuntu4.27

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.

References


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