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 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 15.10: USN-2859-1 Critical: Thunderbird Denial of Service

ubuntu
Calendar Grey January 13, 2016
Scroller Ubuntu
Numerous vulnerabilities found in Thunderbird impacting various Ubuntu versions. Update advised for protection.
Several security issues were fixed in Thunderbird.

Summary

Several security issues were fixed in Thunderbird.

Software Description:

- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Andrei Vaida, Jesse Ruderman, Bob Clary, and Jesse Ruderman

discovered multiple memory safety issues in Thunderbird. If a user were

tricked in to opening a specially crafted message, an attacker could

potentially exploit these to cause a denial of service via application

crash, or execute arbitrary code with the privileges of the user invoking

Thunderbird. (CVE-2015-7201)

Ronald Crane discovered a buffer overflow through code inspection. If a

user were tricked in to opening a specially crafted website in a browsing

context, an attacker could potentially exploit this to cause a denial of

service via application crash, or execute arbitrary code with the

privileges of the user invoking Thunderbird. (CVE-2015-7205)

Abhishek Arya discovered an integer overflow when allocating large

textures. If a user were tricked in to...

Read the Full Advisory

Update Instructions

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

Ubuntu 15.10:
  thunderbird                     1:38.5.1+build2-0ubuntu0.15.10.1

Ubuntu 15.04:
  thunderbird                     1:38.5.1+build2-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
  thunderbird                     1:38.5.1+build2-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  thunderbird                     1:38.5.1+build2-0ubuntu0.12.04.1

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

References

https://ubuntu.com/security/notices/USN-2859-1

CVE-2015-7201, CVE-2015-7205, CVE-2015-7212, CVE-2015-7213,

CVE-2015-7214

Severity
critical
Lowest
Low
Medium
High
Critical

January 13, 2016

Package Information

Get the latest News and Insights

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