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Ubuntu Security Notice USN-6840-1

Ubuntu Security Notice USN-6840-1
Posted Jun 19, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6840-1 - 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. Luan Herrera discovered that Thunderbird did not properly validate the X-Frame-Options header inside sandboxed iframe. An attacker could potentially exploit this issue to bypass sandbox restrictions to open a new window.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2024-5688, CVE-2024-5691, CVE-2024-5693, CVE-2024-5696, CVE-2024-5700
SHA-256 | 8c5f8036b0b6007bf81dde38b1ef60816133108d47fdc001e23d8936feb9bda9

Ubuntu Security Notice USN-6840-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6840-1
June 19, 2024

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

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 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-2024-5688, CVE-2024-5690,
CVE-2024-5696, CVE-2024-5700, CVE-2024-5702)

Luan Herrera discovered that Thunderbird did not properly validate the
X-Frame-Options header inside sandboxed iframe. An attacker could
potentially exploit this issue to bypass sandbox restrictions to open a new
window. (CVE-2024-5691)

Kirtikumar Anandrao Ramchandani discovered that Thunderbird did not properly
track cross-origin tainting in Offscreen Canvas. An attacker could
potentially exploit this issue to access image data from another site in
violation of same-origin policy. (CVE-2024-5693)

Update instructions:

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

Ubuntu 23.10
thunderbird 1:115.12.0+build3-0ubuntu0.23.10.1

Ubuntu 22.04 LTS
thunderbird 1:115.12.0+build3-0ubuntu0.22.04.1

Ubuntu 20.04 LTS
thunderbird 1:115.12.0+build3-0ubuntu0.20.04.1

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

References:
https://ubuntu.com/security/notices/USN-6840-1
CVE-2024-5688, CVE-2024-5690, CVE-2024-5691, CVE-2024-5693,
CVE-2024-5696, CVE-2024-5700, CVE-2024-5702

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:115.12.0+build3-0ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:115.12.0+build3-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:115.12.0+build3-0ubuntu0.20.04.1
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