Debian update for firefox-esr



Published: 2022-04-07 | Updated: 2022-04-08
Risk High
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2022-1097
CVE-2022-1196
CVE-2022-24713
CVE-2022-28281
CVE-2022-28282
CVE-2022-28285
CVE-2022-28286
CVE-2022-28289
CWE-ID CWE-416
CWE-400
CWE-787
CWE-399
CWE-451
CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #4 is available.
Vulnerable software
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firefox-esr (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 8 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

Description

The 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.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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) Use-after-free

EUVDB-ID: #VU61894

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-2022-1196

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content after the VR Process is destroyed. A remote attacker can trick the victim to visit a specially crafted website, 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.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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 exhaustion

EUVDB-ID: #VU61895

Risk: Medium

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

CVE-ID: CVE-2022-24713

CWE-ID: CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')

Exploit availability: No

Description

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

The vulnerability exists due regex for Rust does not properly control consumption of internal resources when parsing untrusted input. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service (ReDoS) attack.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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) Out-of-bounds write

EUVDB-ID: #VU61885

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-28281

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when handling an unexpected number of WebAuthN Extensions in a Register command to the parent process. A remote attacker can create a specially crafted web page, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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. However, proof of concept for this vulnerability is available.

5) Use-after-free

EUVDB-ID: #VU61886

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-2022-28282

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing links with rel="localization". A remote attacker can trick the victim to open a specially crafted web page, 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.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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) 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

Description

The 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.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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) Spoofing attack

EUVDB-ID: #VU61890

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-2022-28286

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. Due to a layout change, iframe contents can be rendered outside of its border.  A remote attacker can spoof page content.

Mitigation

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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.

8) Buffer overflow

EUVDB-ID: #VU61892

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-2022-28289

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

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 create a specially crafted web page, 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

Update firefox-esr package to one of the following versions: 91.8.0esr-1~deb10u1, 91.8.0esr-1~deb11u1.

Vulnerable software versions

firefox-esr (Debian package): 60.8.0esr-1~deb10u1 - 91.7.0esr-1~deb11u1


CPE2.3 External links

http://www.debian.org/security/2022/dsa-5113

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.



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