Multiple vulnerabilities in Mozilla Firefox and Firefox ESR



Published: 2022-02-08
Risk High
Patch available YES
Number of vulnerabilities 13
CVE-ID CVE-2022-22753
CVE-2022-22754
CVE-2022-22755
CVE-2022-22756
CVE-2022-22757
CVE-2022-22758
CVE-2022-22759
CVE-2022-22760
CVE-2022-22761
CVE-2022-22762
CVE-2022-22764
CVE-2022-0511
CVE-2022-22763
CWE-ID CWE-367
CWE-264
CWE-664
CWE-357
CWE-346
CWE-939
CWE-200
CWE-254
CWE-1021
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Mozilla Firefox
Client/Desktop applications / Web browsers

Firefox ESR
Client/Desktop applications / Web browsers

Firefox for Android
Mobile applications / Apps for mobile phones

Vendor Mozilla

Security Bulletin

This security bulletin contains information about 13 vulnerabilities.

1) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU60372

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-22753

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Maintenance (Updater) Service. A local unprivileged user can grant Users write access to an arbitrary directory on the system and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability affects Windows installations only.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

2) Security restrictions bypass

EUVDB-ID: #VU60395

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-22754

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

3) Improper control of a resource through its lifetime

EUVDB-ID: #VU60397

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22755

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the way XSL documents are handled by the browser. A remote attacker can trick the victim to load a specially crafted XSL document that can continue JavaScript execution within the bounds of the same-origin policy even after the browser tab is closed.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 92.0 - 96.0.3


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

4) Insufficient UI Warning of Dangerous Operations

EUVDB-ID: #VU60398

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22756

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

5) Origin validation error

EUVDB-ID: #VU60399

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22757

CWE-ID: CWE-346 - Origin Validation Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the Remote Agent, used in WebDriver, does not validate the Host or Origin headers. A remote website can force the browser to connect back locally to the user's browser to control it.

Successful exploitation of the vulnerability requires that WebDriver is enabled (not the default configuration).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 92.0 - 96.0.3


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

6) Improper Authorization in Handler for Custom URL Scheme

EUVDB-ID: #VU60405

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22758

CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme

Exploit availability: No

Description

The vulnerability allows a remote attacker to force the victim to make unwanted phone calls.

The vulnerability exists in the way tel: link are handled. When clicking on a tel: link, USSD codes, specified after a certain character is included in the phone number. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 90.1.0 - 96.3.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

7) Sandbox restrictions bypass

EUVDB-ID: #VU60406

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22759

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

8) Information disclosure

EUVDB-ID: #VU60409

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22760

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

9) Security features bypass

EUVDB-ID: #VU60411

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22761

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

10) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU60412

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-22762

CWE-ID: CWE-1021 - Improper Restriction of Rendered UI Layers or Frames

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when handling JavaScript dialogs. Under certain circumstances, a JavaScript alert (or prompt) could have been shown while another website was displayed underneath it.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 90.1.0 - 96.3.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

11) Buffer overflow

EUVDB-ID: #VU60413

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-22764

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 96.0.3

Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

12) Buffer overflow

EUVDB-ID: #VU60415

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-0511

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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 webpage, 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 92.0 - 96.0.3


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-04/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

13) Improper control of a resource through its lifetime

EUVDB-ID: #VU60414

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-22763

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox ESR: 91.0 - 91.5.1


CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2022-05/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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