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             AUSCERT External Security Bulletin Redistribution

                     USN-4129-1: curl vulnerabilities
                             16 September 2019


        AusCERT Security Bulletin Summary

Product:           curl
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-5482 CVE-2019-5481 

Reference:         ESB-2019.3441

Original Bulletin: 

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running curl check for an updated version of the software for their
         operating system.

Revision History:  September 16 2019: Updated advisory to reflect that curl
                                      is available for other platforms too.
                   September 12 2019: Initial Release

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USN-4129-1: curl vulnerabilities
11 September 2019

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

  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS


Several security issues were fixed in curl.

Software Description

  o curl - HTTP, HTTPS, and FTP client and client libraries


Thomas Vegas discovered that curl incorrectly handled memory when using
Kerberos over FTP. A remote attacker could use this issue to crash curl,
resulting in a denial of service. (CVE-2019-5481)

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. (CVE-2019-5482)

Update instructions

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

Ubuntu 19.04
    curl - 7.64.0-2ubuntu1.2
    libcurl3-gnutls - 7.64.0-2ubuntu1.2
    libcurl3-nss - 7.64.0-2ubuntu1.2
    libcurl4 - 7.64.0-2ubuntu1.2
Ubuntu 18.04 LTS
    curl - 7.58.0-2ubuntu3.8
    libcurl3-gnutls - 7.58.0-2ubuntu3.8
    libcurl3-nss - 7.58.0-2ubuntu3.8
    libcurl4 - 7.58.0-2ubuntu3.8
Ubuntu 16.04 LTS
    curl - 7.47.0-1ubuntu2.14
    libcurl3 - 7.47.0-1ubuntu2.14
    libcurl3-gnutls - 7.47.0-1ubuntu2.14
    libcurl3-nss - 7.47.0-1ubuntu2.14

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.


  o CVE-2019-5481
  o CVE-2019-5482

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