USN-3731-2: LFTP vulnerability

6 August 2018

lftp vulnerability

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

  • Ubuntu 12.04 ESM

Summary

LFTP could be made to crash if it received specially crafted file.

Software Description

  • lftp - Sophisticated command-line FTP/HTTP client programs

Details

USN-3731-1 fixed a vulnerability in LFTP. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that LFTP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 12.04 ESM
lftp - 4.3.3-1ubuntu0.1

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