Multiple vulnerabilities in Pale Moon



Risk High
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2022-22736
CVE-2022-22741
CVE-2021-4140
CVE-2022-22746
CVE-2022-22744
CVE-2022-22747
CWE-ID CWE-428
CWE-1021
CWE-254
CWE-78
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Pale Moon
Client/Desktop applications / Web browsers

Vendor Pale Moon

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Unquoted Search Path or Element

EUVDB-ID: #VU59380

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22736

CWE-ID: CWE-428 - Unquoted Search Path or Element

Exploit availability: No

Description

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

The vulnerability exists due to unquoted search path in Firefox installer. A local user with ability to write files into the Firefox installation folder can place a specially crafted library and execute arbitrary code on the system.

The vulnerability affects Firefox for Windows in a non-default installation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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.

2) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU59369

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22741

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 resizing a popup while requesting fullscreen access. A remote attacker can trick the victim to open a specially crafted web page,  and make the browser unable to leave fullscreen mode.

Successful exploitation of the vulnerability may allow an attacker to perform spoofing attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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) Security features bypass

EUVDB-ID: #VU59373

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-4140

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 an error in iframe sandbox implementation when processing XSLT markup. A remote attacker can bypass iframe sandbox and execute arbitrary JavaScript code in context of arbitrary window.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU59366

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22746

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 a race condition when calling reportValidity. A remote attacker can trick the victim to open a specially crafted web page and bypass the fullscreen notification, which can lead to spoofing attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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) OS Command Injection

EUVDB-ID: #VU59378

Risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22744

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 in the "Copy as curl" feature in DevTools. A remote attacker can trick the victim to cope a specially crafted link and execute arbitrary commands on the system, if copied data is pasted into a Powershell prompt.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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) Input validation error

EUVDB-ID: #VU59379

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22747

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of empty pkcs7 sequence, passed as part of the certificate data. A remote attacker can pass specially crafted certificate to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pale Moon: 20.0 - 29.4.3

CPE2.3 External links

https://www.palemoon.org/releasenotes.shtml


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.



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