USN-4129-2: curl vulnerability

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

Source: USN-4129-2: curl vulnerability

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