Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 544
Alerts This Week
Warning Icon 1 544

Ubuntu 12.04 ESM USN-3504-2 Moderate: libxml2 Denial Of Service

ubuntu
Calendar Grey December 5, 2017
Scroller Ubuntu
Investigate the libxml2 flaw in Ubuntu that may trigger a failure when processing carefully designed input.
curl could be made to crash if it received specially crafted input.

Summary

curl could be made to crash if it received specially crafted

input.

Software Description:

- libxml2: GNOME XML library

Details:

USN-3504-1 fixed a vulnerability in libxml2. This update provides

the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Wei Lei discovered that libxml2 incorrecty handled certain parameter

 entities. An attacker could use this issue with specially constructed

 XML data to cause libxml2 to consume resources, leading to a denial of

 service.

Update Instructions

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

Ubuntu 12.04 ESM:
  libxml2                         2.7.8.dfsg-5.1ubuntu4.19
  libxml2-utils                   2.7.8.dfsg-5.1ubuntu4.19
  python-libxml2                  2.7.8.dfsg-5.1ubuntu4.19

In general, a standard system update will make all the necessary
changes.

References

 

 

  CVE-2017-16932

December 05, 2017

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.