ESB-2018.2276 - [UNIX/Linux][Ubuntu] lftp: Denial of service - Remote with user interaction 2018-08-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2276
                            LFTP vulnerability
                               7 August 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           lftp
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10916  

Original Bulletin: 
   http://www.ubuntu.com/3731-1/
   http://www.ubuntu.com/usn/usn-3731-2

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running lftp check for an updated version of the software for their
         operating system.
         
         This bulletin contains two (2) Ubuntu security advisories.

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USN-3731-1: LFTP vulnerability

6 August 2018

lftp vulnerability

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

Ubuntu 18.04 LTS

Ubuntu 16.04 LTS

Ubuntu 14.04 LTS

Summary

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

Software Description

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

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 18.04 LTS

lftp - 4.8.1-1ubuntu0.1

Ubuntu 16.04 LTS

lftp - 4.6.3a-1ubuntu0.1

Ubuntu 14.04 LTS

lftp - 4.4.13-1ubuntu0.1

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

CVE-2018-10916

- ---

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

USN-3731-1

CVE-2018-10916

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