Multiple vulnerabilities in Mozilla Firefox

1) Security features bypass

EUVDB-ID: #VU71223

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23597

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to read arbitrary files on the system.

The vulnerability exists due to a logic error in the process allocation. A compromised web child process can disable the web security opening restrictions and spawn a new child process within the file:// context, providing the ability to read arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 103.0 - 108.0.2

Firefox for Android: 103.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU71224

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23598

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to read arbitrary files on the system.

The vulnerability exists due to improperly imposed security restrictions with the Firefox GTK wrapper. A remote attacker can trick the victim to perform certain actions on the web page, such as drag objects and read arbitrary files on the system via a call to DataTransfer.setData.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 108.0.2

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) OS Command Injection

EUVDB-ID: #VU71225

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23599

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when copying a network request from the developer tools panel as a curl command in devtools on Windows. A remote attacker can trick the victim to copy and paste data from the network request into a console and execute arbitrary commands.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0.1 - 108.0.2

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) State Issues

EUVDB-ID: #VU71226

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-2023-23600

CWE-ID: CWE-371 - State Issues

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify browser's behavior.

The vulnerability exists due to an error in the way per origin notifications are handled between normal and private browsing. As a result, an attacker can display notifications during different browsing sessions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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 perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

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

5) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU71227

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-2023-23601

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attacks.

The vulnerability exists due to the way browser treats dragging of URL from the cross-origin iframe into the same tab. A remote attacker can perform spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 108.0.2

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Security features bypass

EUVDB-ID: #VU71228

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23602

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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

The vulnerability exists due to incorrect processing of CSP. A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0.1 - 108.0.2

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Incorrect Regular Expression

EUVDB-ID: #VU71229

Risk: Low

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

CVE-ID: CVE-2023-23603

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

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

The vulnerability exists due to usage of an incorrect regular expression when filtering out forbidden properties and values from style directives in calls to console.log. A remote attacker can exfiltrate data from the victim's browser.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0.1 - 108.0.2

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Security features bypass

EUVDB-ID: #VU71230

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-2023-23604

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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

The vulnerability exists due to the possibility to create a duplicate SystemPrincipal object when parsing a non-system html document via DOMParser::ParseFromSafeString. This could have lead to bypassing web security checks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 103.0 - 108.0.2

Firefox for Android: 103.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Buffer overflow

EUVDB-ID: #VU71231

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-2023-23605

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 trick the victim to visit a specially crafted website, 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: 100.0.1 - 108.0.2

Firefox for Android: 100.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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) Buffer overflow

EUVDB-ID: #VU71232

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-2023-23606

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 trick the victim to visit a specially crafted website, 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: 103.0 - 108.0.2

Firefox for Android: 103.1.0 - 108.2.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-01/

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.