Red Hat Enterprise Linux 8.2 Extended Update Support update for firefox

Published: 2022-10-20

Risk	High
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2022-42927 CVE-2022-42928 CVE-2022-42929 CVE-2022-42932
CWE-ID	CWE-254 CWE-119 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	firefox (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions Operating systems & Components / Operating system package or component Red Hat Enterprise Linux for x86_64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux Server - AUS Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for Power, little endian - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux for ARM 64 - Extended Update Support Operating systems & Components / Operating system Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU68405

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42927

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 same-origin policy violation in the performance.getEntries() method. A remote attacker can trick the victim to open a specially crafted website and gain obtain cross-origin URL entries.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 102.3.0-6.el8_2 - 102.3.0-7.el8_2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server - AUS: 8.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

Red Hat Enterprise Linux Server - TUS: 8.2

External links

http://access.redhat.com/errata/RHSA-2022:7068

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) Buffer overflow

EUVDB-ID: #VU68406

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-2022-42928

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 in Garbage Collector within the JS engine. 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

firefox (Red Hat package): 102.3.0-6.el8_2 - 102.3.0-7.el8_2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server - AUS: 8.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

Red Hat Enterprise Linux Server - TUS: 8.2

External links

http://access.redhat.com/errata/RHSA-2022:7068

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) Resource management error

EUVDB-ID: #VU68407

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-2022-42929

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the application when handling window.print() events. A remote attacker trick the victim to open a specially crafted website and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 102.3.0-6.el8_2 - 102.3.0-7.el8_2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server - AUS: 8.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

Red Hat Enterprise Linux Server - TUS: 8.2

External links

http://access.redhat.com/errata/RHSA-2022:7068

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) Buffer overflow

EUVDB-ID: #VU68408

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-2022-42932

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 handling 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

firefox (Red Hat package): 102.3.0-6.el8_2 - 102.3.0-7.el8_2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server - AUS: 8.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

Red Hat Enterprise Linux Server - TUS: 8.2

External links

http://access.redhat.com/errata/RHSA-2022:7068

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.