[ASA-202005-7] thunderbird: multiple issues
rgacogne at archlinux.org
Wed May 20 15:57:56 UTC 2020
Arch Linux Security Advisory ASA-202005-7
Date : 2020-05-09
CVE-ID : CVE-2020-6831 CVE-2020-12387 CVE-2020-12392 CVE-2020-12395
Package : thunderbird
Type : multiple issues
Remote : Yes
Link : https://security.archlinux.org/AVG-1155
The package thunderbird before version 68.8.0-1 is vulnerable to
multiple issues including arbitrary code execution and content
Upgrade to 68.8.0-1.
# pacman -Syu "thunderbird>=68.8.0-1"
The problems have been fixed upstream in version 68.8.0.
- CVE-2020-6831 (arbitrary code execution)
A buffer overflow could occur when parsing and validating SCTP chunks
in WebRTC, in Firefox before 76.0, Thunderbird before 68.8.0 and
chromium before 81.0.4044.138. This could have led to memory corruption
and a potentially exploitable crash.
- CVE-2020-12387 (arbitrary code execution)
A race condition has been found in Firefox before 76.0 and Thunderbird
before 68.8.0, when running shutdown code for Web Worker, leading to a
use-after-free vulnerability. This results in a potentially exploitable
- CVE-2020-12392 (content spoofing)
The 'Copy as cURL' feature of Devtools' network tab did not properly
escape the HTTP POST data of a request in Firefox before 76.0 and
Thunderbird before 68.8.0, which can be controlled by the website. If a
user used the 'Copy as cURL' feature and pasted the command into a
terminal, it could have resulted in the disclosure of local files.
- CVE-2020-12395 (arbitrary code execution)
Several memory safety bugs has been found in Firefox before 76.0,
Firefox ESR before 68.8 and Thunderbird before 68.8.0. Some of these
bugs showed evidence of memory corruption and Mozilla presumes that
with enough effort some of these could have been exploited to run
- CVE-2020-12397 (content spoofing)
An spoofing email address issue has been found in Thunderbird before
68.8.0. By encoding Unicode whitespace characters within the From email
header, an attacker can spoof the sender email address that Thunderbird
A remote attacker can spoof an e-mail address and execute arbitrary
code on the affected host.
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