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Alerts This Week
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Ubuntu 11.10 USN-1282-1 High Severity: Thunderbird Exploit Risks

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Calendar Grey November 28, 2011
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Numerous security flaws addressed in Thunderbird for Ubuntu 11.10. Detailed update guidelines provided to improve system protection.
Multiple vulnerabilities have been fixed in Thunderbird.

Summary

Multiple vulnerabilities have been fixed in Thunderbird.

Software Description:

- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Yosuke Hasegawa discovered that the Mozilla browser engine mishandled

invalid sequences in the Shift-JIS encoding. It may be possible to trigger

this crash without the use of debugging APIs, which might allow malicious

websites to exploit this vulnerability. An attacker could possibly use this

flaw this to steal data or inject malicious scripts into web content.

(CVE-2011-3648)

Marc Schoenefeld discovered that using Firebug to profile a JavaScript file

with many functions would cause Firefox to crash. An attacker might be able

to exploit this without using the debugging APIs, which could potentially

remotely crash Thunderbird, resulting in a denial of service.

(CVE-2011-3650)

Jason Orendorff, Boris Zbarsky, Gregg Tavares, Mats Palmgren, Christian

Holler, Jesse Ruderman, Simona Marcu, Bob Clary, and William Mc...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service high severity software issue ubuntu thunderbird

Update Instructions

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

Ubuntu 11.10:
  thunderbird                     8.0+build1-0ubuntu0.11.10.1

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

References

CVE-2011-3648, CVE-2011-3650, CVE-2011-3651, CVE-2011-3652,

CVE-2011-3654, CVE-2011-3655, https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/894593

November 28, 2011

Topics%20covered

Topics Covered

security advisory denial of service high severity software issue ubuntu thunderbird

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/8.0+build1-0ubuntu0.11.10.1

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