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Ubuntu 11.04 USN-1367-3 Critical: Thunderbird Program Crash and DoS

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Calendar Grey February 17, 2012
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Safeguard your system: Upgrade Thunderbird following USN-1367-3 notification to resolve a significant vulnerability affecting multiple Ubuntu editions.
Thunderbird could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

Thunderbird could be made to crash or run programs as your login if it

opened a specially crafted file.

Software Description:

- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding

update for Thunderbird.

Original advisory details:

Jueri Aedla discovered that libpng did not properly verify the size used

when allocating memory during chunk decompression. If a user or automated

system using libpng were tricked into opening a specially crafted image,

an attacker could exploit this to cause a denial of service or execute

code with the privileges of the user invoking the program. (CVE-2011-3026)

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu thunderbird program crash

Update Instructions

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

Ubuntu 11.04:
  thunderbird                     3.1.19+build1+nobinonly-0ubuntu0.11.04.1

Ubuntu 10.10:
  thunderbird                     3.1.19+build1+nobinonly-0ubuntu0.10.10.1

Ubuntu 10.04 LTS:
  thunderbird                     3.1.19+build1+nobinonly-0ubuntu0.10.04.1

After a standard system update you need to restart Thunderbird to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-1367-3

https://ubuntu.com/security/notices/USN-1367-1

CVE-2011-3026, https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/933399

Severity
critical
Lowest
Low
Medium
High
Critical

February 17, 2012

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu thunderbird program crash

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/thunderbird/3.1.19+build1+nobinonly-0ubuntu0.10.04.1

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