Multiple vulnerabilities in Mozilla Firefox

1) Predictable Seed in Pseudo-Random Number Generator (PRNG)

EUVDB-ID: #VU89554

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4772

CWE-ID: CWE-337 - Predictable Seed in Pseudo-Random Number Generator (PRNG)

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to Firefox uses an insecure rand() function to generate nonce for HTTP digest authentication. A remote attacker can guess nonce and potentially gain unauthorized access to the victim's session.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU89559

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4778

CWE-ID: CWE-119 - Memory corruption

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: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Buffer overflow

EUVDB-ID: #VU89549

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4777

CWE-ID: CWE-119 - Memory corruption

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: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Multiple Interpretations of UI Input

EUVDB-ID: #VU89558

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4776

CWE-ID: CWE-450 - Multiple Interpretations of UI Input

Exploit availability: No

Description

The vulnerability allows a remote attacker to disable the browser window.

The vulnerability exists due to an error when displaying a file dialog while in full-screen mode. A remote attacker can disable the browser window.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Buffer overflow

EUVDB-ID: #VU89557

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4775

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to a boundary error when handling WASM code in the built-in profiler. A remote attacker can trick the victim to visit a specially crafted website and crash the browser.

Note, this issue only affects the application when the profiler is running.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Resource management error

EUVDB-ID: #VU89556

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4774

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to an error in ShmemCharMapHashEntry(). A remote attacker can bypass certain security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Spoofing attack

EUVDB-ID: #VU89555

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4773

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect handling of network errors during page load, which could lead to the prior content to remain in view with a blank URL bar. A remote attacker can perform spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use-after-free

EUVDB-ID: #VU89553

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4771

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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 trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU89550

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4764

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling newly connected audio input via multiple WebRTC threads. A remote attacker can trick the victim to open a specially crafted website and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 120.0 - 125.0.3

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Use-after-free

EUVDB-ID: #VU89548

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4770

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a use-after-free error when saving a page to PDF. A remote attacker can trick the victim to save a specially crafted web page to PDF and crash the browser.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Information Exposure Through an Error Message

EUVDB-ID: #VU89547

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4769

CWE-ID: CWE-209 - Information Exposure Through an Error Message

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to browser issues different error messages for application/javascript responses and non-script responses when importing resources using Web Workers. A remote attacker can trick the victim to visit a specially crafted website and learn information cross-origin

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Insufficient UI warning of dangerous operations

EUVDB-ID: #VU89540

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4768

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform clickjacking attack.

The vulnerability exists due to an error in the popup notifications' interaction with WebAuthn. A remote attacker can trick the victim into granting permissions to a malicious web application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Resource management error

EUVDB-ID: #VU89538

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4767

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to browser does not delete IndexedDB files after browser window is closed if the `browser.privatebrowsing.autostart` preference is enabled. A local user can view the file and gain access to data browsed in private browsing mode.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Insufficient UI Warning of Dangerous Operations

EUVDB-ID: #VU89552

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4766

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the way fullscreen notifications are handled by the browser. A remote attacker can obscure the fullscreen notification and perform spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Reversible One-Way Hash

EUVDB-ID: #VU89551

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4765

CWE-ID: CWE-328 - Use of Weak Hash

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code in the context of another application.

The vulnerability exists due to browser stored web application manifests using an insecure MD5 hash, which allows for a hash collision to overwrite another application's manifest. A remote attacker can execute arbitrary code in the context of another application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 120.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Type Confusion

EUVDB-ID: #VU89537

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2024-4367

CWE-ID: CWE-843 - Type confusion

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error when handling fonts in PDF.js. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error 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: 100.0 - 125.0.3

Firefox ESR: 102.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/
http://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

Risk	High
Patch available	YES
Number of vulnerabilities	16
CVE-ID	CVE-2024-4772 CVE-2024-4778 CVE-2024-4777 CVE-2024-4776 CVE-2024-4775 CVE-2024-4774 CVE-2024-4773 CVE-2024-4771 CVE-2024-4764 CVE-2024-4770 CVE-2024-4769 CVE-2024-4768 CVE-2024-4767 CVE-2024-4766 CVE-2024-4765 CVE-2024-4367
CWE-ID	CWE-337 CWE-119 CWE-450 CWE-399 CWE-451 CWE-416 CWE-209 CWE-357 CWE-328 CWE-843
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #16 is available.
Vulnerable software	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