CVE-2022-1529: High severity Mozilla Firefox vulnerability

Published May 20, 2022
·
Updated

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process.

Affected Software

50 affected componentsFixes available
Mozilla Firefox<100.0.2
100.0.2
Mozilla Firefox ESR<91.9.1
91.9.1
All of the following
Mozilla Firefox=100.3
Google Android
Mozilla Thunderbird<91.9.1
91.9.1
Mozilla Firefox<100.0.2
Mozilla Firefox ESR<91.9.1
Mozilla Thunderbird<91.9.1
Mozilla Firefox<100.3.0
Google Android
All of the following
Mozilla Firefox<100.3.0
Google Android
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox<100.0.2-r0
100.0.2-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/firefox-esr<91.9.1-r0
91.9.1-r0
alpine/librewolf<100.0.2-r0
100.0.2-r0
alpine/librewolf<100.0.2-r0
100.0.2-r0
alpine/librewolf<100.0.2-r0
100.0.2-r0
alpine/librewolf<100.0.2-r0
100.0.2-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
alpine/thunderbird<91.9.1-r0
91.9.1-r0
debian/firefox-esr<91.9.1esr-1
91.9.1esr-1
debian/firefox-esr<91.9.1esr-1
91.9.1esr-1
debian/firefox-esr<91.9.1esr-1
91.9.1esr-1
debian/thunderbird<1:91.10.0-1
1:91.10.0-1
debian/thunderbird<1:91.10.0-1
1:91.10.0-1
debian/thunderbird<1:91.10.0-1
1:91.10.0-1
debian/firefox
159.0.1-1
debian/firefox-esr
140.12.0esr-1~deb12u1153.6.0esr-1~deb12u2140.15.0esr-1~deb13u1153.6.0esr-1~deb13u1153.5.1esr-1153.6.0esr-1
debian/thunderbird
1:140.12.0esr-1~deb12u11:153.6.0esr-1~deb12u21:140.12.0esr-1~deb13u11:153.6.0esr-1~deb13u11:153.5.0esr-11:153.6.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 100.0.2
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 91.9.1
  3. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 91.9.1
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 100.0.2
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 91.9.1
  6. Upgrade

    Upgrade alpine/firefox to a version that resolves this vulnerability.

    Fixed in 100.0.2-r0
  7. Upgrade

    Upgrade alpine/firefox-esr to a version that resolves this vulnerability.

    Fixed in 91.9.1-r0
  8. Upgrade

    Upgrade alpine/librewolf to a version that resolves this vulnerability.

    Fixed in 100.0.2-r0
  9. Upgrade

    Upgrade alpine/thunderbird to a version that resolves this vulnerability.

    Fixed in 91.9.1-r0
  10. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 91.9.1esr-1
  11. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:91.10.0-1
  12. Upgrade

    Upgrade debian/firefox to a version that resolves this vulnerability.

    Fixed in 159.0.1-1
  13. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1~deb12u1Fixed in 153.6.0esr-1~deb12u2Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.6.0esr-1
  14. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1

Event History

May 20, 2022
CVE Published
12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Dec 22, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2022-1529?

CVE-2022-1529 is a vulnerability that allows an attacker to execute attacker-controlled JavaScript in the privileged parent process of Firefox ESR < 91.9.1.

2

How does CVE-2022-1529 work?

CVE-2022-1529 works by allowing an attacker to send a message to the parent process and use the contents to double-index into a JavaScript object, leading to prototype pollution.

3

Which software versions are affected by CVE-2022-1529?

CVE-2022-1529 affects Firefox ESR versions < 91.9.1 and Thunderbird versions < 91.9.1.

4

What is the severity of CVE-2022-1529?

CVE-2022-1529 is classified as a critical vulnerability with a severity score of 8.8.

5

How can I fix CVE-2022-1529?

To fix CVE-2022-1529, it is recommended to update Firefox ESR to version 91.9.1 or later or Thunderbird to version 91.9.1 or later.

Company

Resources

Contact

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