CentOS 7 update for firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 7 |
| CVE-ID | CVE-2022-22754 CVE-2022-22756 CVE-2022-22759 CVE-2022-22760 CVE-2022-22761 CVE-2022-22763 CVE-2022-22764 |
| CWE-ID | CWE-264 CWE-357 CWE-200 CWE-254 CWE-664 CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
CentOS Operating systems & Components / Operating system |
| Vendor | CentOS Project |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
1) Security restrictions bypass
EUVDB-ID: #VU60395
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-2022-22754
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe 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.
Update the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Insufficient UI Warning of Dangerous Operations
EUVDB-ID: #VU60398
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-22756
CWE-ID:
CWE-357 - Insufficient UI Warning of Dangerous Operations
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Sandbox restrictions bypass
EUVDB-ID: #VU60406
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-2022-22759
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe 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.
Update the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Information disclosure
EUVDB-ID: #VU60409
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-2022-22760
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe 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.
Update the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Security features bypass
EUVDB-ID: #VU60411
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-2022-22761
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe 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.
Update the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Improper control of a resource through its lifetime
EUVDB-ID: #VU60414
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-22763
CWE-ID:
CWE-664 - Improper control of a resource through its lifetime
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Buffer overflow
EUVDB-ID: #VU60413
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-2022-22764
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
CPE2.3 External linkshttp://lists.centos.org/pipermail/centos-announce/2022-February/073557.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
