Ubuntu 12.04 LTS USN-1447-1 Moderate: libxml2 Application Crash

ubuntu

May 21, 2012

Applications using libxml2 could be made to crash or run programs as your login if they opened a specially crafted file.

Summary

Applications using libxml2 could be made to crash or run programs as your

Software Description:

- libxml2: GNOME XML library

Details:

Juri Aedla discovered that libxml2 contained an off by one error in its

XPointer functionality. If a user or application linked against libxml2

were tricked into opening a specially crafted XML file, an attacker could

cause the application to crash or possibly execute arbitrary code with the

privileges of the user invoking the program.

Topics Covered

security advisory moderate Ubuntu application crash libxml2

Update Instructions

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

Ubuntu 12.04 LTS:
  libxml2                         2.7.8.dfsg-5.1ubuntu4.1

Ubuntu 11.10:
  libxml2                         2.7.8.dfsg-4ubuntu0.3

Ubuntu 11.04:
  libxml2                         2.7.8.dfsg-2ubuntu0.4

Ubuntu 10.04 LTS:
  libxml2                         2.7.6.dfsg-1ubuntu1.5

Ubuntu 8.04 LTS:
  libxml2                         2.6.31.dfsg-2ubuntu1.9

After a standard system update you need to reboot your computer to make
all the necessary changes.