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Ubuntu 18.04 LTS: 3793-1 Critical: Thunderbird Denial Of Service

ubuntu
Calendar Grey October 15, 2018
Dist Ubuntu Esm H88
Problems addressed in Thunderbird for Ubuntu 18.04, 16.04, and 14.04 LTS to avert vulnerability exploitation and service disruption.
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:

Multiple security issues were discovered in Thunderbird. If a user were

tricked in to opening a specially crafted website in a browsing context,

an attacker could potentially exploit these to cause a denial of service,

or execute arbitrary code. (CVE-2018-12376, CVE-2018-12377,

CVE-2018-12378)

It was discovered that if a user saved passwords before Thunderbird 58 and

then later set a master password, an unencrypted copy of these passwords

would still be accessible. A local user could exploit this to obtain

sensitive information. (CVE-2018-12383)

A crash was discovered in TransportSecurityInfo used for SSL, which could

be triggered by data stored in the local cache directory. An attacker

could potentially exploit this in combination with another vulnerability

that allowed them to write data to the cache, to execute ...

Read the Full Advisory

Update Instructions

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

Ubuntu 18.04 LTS:
  thunderbird                     1:60.2.1+build1-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
  thunderbird                     1:60.2.1+build1-0ubuntu0.16.04.4

Ubuntu 14.04 LTS:
  thunderbird                     1:60.2.1+build1-0ubuntu0.14.04.2

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

References

https://ubuntu.com/security/notices/USN-3793-1

CVE-2018-12376, CVE-2018-12377, CVE-2018-12378, CVE-2018-12383,

CVE-2018-12385

Severity
critical
Lowest
Low
Medium
High
Critical

October 15, 2018

Package Information

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