SB2022032421 - Ubuntu update for thunderbird
Published: March 24, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 13 secuirty vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2022-0566)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing email messages. A remote attacker can send a specially crafted email to the victim, trigger an out-of-bounds write and execute arbitrary code on the target system.
2) Security restrictions bypass (CVE-ID: CVE-2022-22754)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists in the way Firefox handles extensions updates. A remote attacker can trick the victim to install a browser extension of a particular type and during auto-update bypass the prompt which grants the new version the new requested permissions. As a result an extension with limited permissions can be used to compromise the system.
3) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2022-22756)
The vulnerability allows a remote attacker execute arbitrary code.
The vulnerability exists due to browser fails to properly identify a malicious file during drag and drop operations. A remote attacker can trick the victim to drag and drop an image to their desktop or other folder and change the resulting object into an executable script which will be executed after the user clicked on it.
4) Sandbox restrictions bypass (CVE-ID: CVE-2022-22759)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the way iframes are handled by the browser. If a document created a sandboxed iframe without allow-scripts,
and subsequently appended an element to the iframe's document that e.g.
had a JavaScript event handler - the event handler would have run
despite the iframe's sandbox.
5) Information disclosure (CVE-ID: CVE-2022-22760)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the way Firefox displays error messages in cross-origin responses, when importing resources using Web Workers. A remote attacker can distinguish the difference between application/javascript responses and non-script responses and learn information cross-origin.
6) Security features bypass (CVE-ID: CVE-2022-22761)
The vulnerability allows a remote attacker to perform unauthorized actions.
The vulnerability exists due to frame-ancestors Content Security Policy directive was not enforced for framed extension pages (pages with a moz-extension:// scheme). A remote attacker perform unauthorized actions.
7) Improper control of a resource through its lifetime (CVE-ID: CVE-2022-22763)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when handling script execution during invalid object state. A remote attacker can cause a script to run late in the lifecycle, at a point after where it should not be possible.
8) Buffer overflow (CVE-ID: CVE-2022-22764)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
9) Use-after-free (CVE-ID: CVE-2022-26381)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content A remote attacker can trigger a use-after-free by forcing a text reflow in an SVG object and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
10) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2022-26383)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to an error when resizing a popup after requesting fullscreen access. The popup would not display the fullscreen notification, which allows a remote attacker to perform spoofing attack.
11) Security restrictions bypass (CVE-ID: CVE-2022-26384)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logic error when processing iframes. If an attacker can control the contents of an iframe sandboxed with allow-popups but not allow-scripts, it is possible to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox.
12) Improper access control (CVE-ID: CVE-2022-26386)
The vulnerability allows a local user to gain access to victim's downloads.
The vulnerability exists due to browser stores files in the /tmp folder, which is accessible by all local users. A local user can read files from this folder and gain access to potentially sensitive information.
Note, the vulnerability affects Firefox ESR on macOS and Linux.
13) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-26387)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to a race condition when verifying signatures during Firefox add-on installation. A remote attacker can replace the underlying add-on file while the user was confirming the prompt and install a malicious add-on on the system.
Remediation
Install update from vendor's website.