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Sicherheit: Mehrere Probleme in Thunderbird
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Thunderbird
ID: USN-4373-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 19.10, Ubuntu 20.04 LTS
Datum: Di, 26. Mai 2020, 20:29
Referenzen: https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.19.10.2
https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.18.04.2
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12387
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12392
https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.16.04.2
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6831
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12395
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12397
https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.20.04.2
Applikationen: Mozilla Thunderbird

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-4373-1
May 26, 2020

thunderbird vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

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-2020-6831, CVE-2020-12387, CVE-2020-12395)

It was discovered that the Devtools’ ‘Copy as cURL’ feature did not
properly escape the HTTP POST data of a request. If a user were tricked
in to using the ‘Copy as cURL’ feature to copy and paste a command with
specially crafted data in to a terminal, an attacker could potentially
exploit this to obtain sensitive information from local files.
(CVE-2020-12392)

It was discovered that Thunderbird did not correctly handle Unicode
whitespace characters within the From email header. An attacker could
potentially exploit this to spoof the sender email address that
Thunderbird displays. (CVE-2020-12397)

Update instructions:

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

Ubuntu 20.04 LTS:
thunderbird 1:68.8.0+build2-0ubuntu0.20.04.2

Ubuntu 19.10:
thunderbird 1:68.8.0+build2-0ubuntu0.19.10.2

Ubuntu 18.04 LTS:
thunderbird 1:68.8.0+build2-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
thunderbird 1:68.8.0+build2-0ubuntu0.16.04.2

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

References:
https://usn.ubuntu.com/4373-1
CVE-2020-12387, CVE-2020-12392, CVE-2020-12395, CVE-2020-12397,
CVE-2020-6831

Package Information:

https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.20.04.2

https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.19.10.2

https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.18.04.2

https://launchpad.net/ubuntu/+source/thunderbird/1:68.8.0+build2-0ubuntu0.16.04.2


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