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Ubuntu Security Notice USN-5943-1

Ubuntu Security Notice USN-5943-1
Posted Mar 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5943-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. Johan Carlsson discovered that Thunderbird did not properly implement CSP policy on a header when using iframes. An attacker could potentially exploits this to exfiltrate data.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-0616, CVE-2023-0767, CVE-2023-25728, CVE-2023-25730, CVE-2023-25732, CVE-2023-25737, CVE-2023-25739, CVE-2023-25746
SHA-256 | 859da6042faf89a056033a58de2955c904821993b08e8e20d961d88955336897

Ubuntu Security Notice USN-5943-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5943-1
March 13, 2023

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

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 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 into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-0616, CVE-2023-25735,
CVE-2023-25737, CVE-2023-25739, CVE-2023-25729, CVE-2023-25742,
CVE-2023-25746)

Johan Carlsson discovered that Thunderbird did not properly implement CSP
policy on a header when using iframes. An attacker could potentially
exploits this to exfiltrate data. (CVE-2023-25728)

Irvan Kurniawan discovered that Thunderbird was not properly handling
background fullscreen scripts when the window goes into fullscreen mode.
An attacker could possibly use this issue to spoof the user and obtain
sensitive information. (CVE-2023-25730)

Christian Holler discovered that Thunderbird did not properly check the
Safe Bag attributes in PKCS 12 certificate bundle. An attacker could
possibly use this issue to write to arbitrary memory by sending malicious
PKCS 12 certificate. (CVE-2023-0767)

Ronald Crane discovered that Thunderbird did not properly check the size of
the input being encoded in xpcom. An attacker could possibly use this issue
to perform out of bound memory write operations. (CVE-2023-25732)

Update instructions:

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

Ubuntu 22.10:
thunderbird 1:102.8.0+build2-0ubuntu0.22.10.1

Ubuntu 22.04 LTS:
thunderbird 1:102.8.0+build2-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
thunderbird 1:102.8.0+build2-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
thunderbird 1:102.8.0+build2-0ubuntu0.18.04.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5943-1
CVE-2023-0616, CVE-2023-0767, CVE-2023-25728, CVE-2023-25729,
CVE-2023-25730, CVE-2023-25732, CVE-2023-25735, CVE-2023-25737,
CVE-2023-25739, CVE-2023-25742, CVE-2023-25746

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:102.8.0+build2-0ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:102.8.0+build2-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:102.8.0+build2-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:102.8.0+build2-0ubuntu0.18.04.1
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