Multiple vulnerabilities in Pale Moon
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2022-1097 CVE-2022-28285 CVE-2022-28283 |
| CWE-ID | CWE-416 CWE-399 CWE-254 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Pale Moon Client/Desktop applications / Web browsers |
| Vendor | Pale Moon |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU61884
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-2022-1097
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when handling NSSToken objects. A remote attacker can create a specially crafted web page, trick the victim into visiting it, 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsPale Moon: 20.0 - 29.4.5.1
External linkshttp://www.palemoon.org/releasenotes.shtml#29.4.6
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) Resource management error
EUVDB-ID: #VU61889
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-2022-28285
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to usage of incorrect AliasSet when generating the assembly code for MLoadTypedArrayElementHole. A remote attacker can abuse this along with another vulnerability to perform an out-of-bounds read.
Install update from vendor's website.
Vulnerable software versionsPale Moon: 20.0 - 29.4.5.1
External linkshttp://www.palemoon.org/releasenotes.shtml#29.4.6
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: #VU61887
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-28283
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing security checks within the sourceMapURL feature in devtools. A remote attacker can trick the victim to perform certain actions and obtain contents of local files on the victim's system.
Install update from vendor's website.
Vulnerable software versionsPale Moon: 20.0 - 29.4.5.1
External linkshttp://www.palemoon.org/releasenotes.shtml#29.4.6
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.
