CVE-2023-37201: Use After Free

Published Jul 4, 2023
·
Updated

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.

Other sources

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.

External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2023-23/#CVE-2023-37201

— Red Hat

Affected Software

20 affected componentsFixes available
ubuntu/firefox<115.0-1
115.0-1
ubuntu/firefox<115.0+
115.0+
ubuntu/thunderbird<1:102.13.0+
1:102.13.0+
ubuntu/thunderbird<1:102.13.0+
1:102.13.0+
ubuntu/thunderbird<1:102.13.0+
1:102.13.0+
ubuntu/thunderbird<1:102.13.0+
1:102.13.0+
redhat/firefox<102.13
102.13
redhat/thunderbird<102.13
102.13
debian/firefox
123.0-1
debian/firefox-esr<=91.12.0esr-1~deb10u1
115.8.0esr-1~deb10u1115.7.0esr-1~deb11u1115.8.0esr-1~deb11u1115.7.0esr-1~deb12u1115.8.0esr-1~deb12u1115.8.0esr-1
debian/thunderbird<=1:91.12.0-1~deb10u1
1:115.8.0-1~deb10u11:115.7.0-1~deb11u11:115.8.0-1~deb11u11:115.7.0-1~deb12u11:115.8.0-1~deb12u11:115.7.0-11:115.8.1-1
Mozilla Thunderbird<102.13
102.13
Mozilla Firefox<115
115
Mozilla Firefox ESR<102.13
102.13
Mozilla Firefox<115.0
Mozilla Firefox ESR<102.13
Mozilla Thunderbird<102.13
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 115.0-1
  2. Upgrade

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

    Fixed in 115.0+
  3. Upgrade

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

    Fixed in 1:102.13.0+
  4. Upgrade

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

    Fixed in 102.13
  5. Upgrade

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

    Fixed in 102.13
  6. Upgrade

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

    Fixed in 123.0-1
  7. Upgrade

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

    Fixed in 115.8.0esr-1~deb10u1Fixed in 115.7.0esr-1~deb11u1Fixed in 115.8.0esr-1~deb11u1Fixed in 115.7.0esr-1~deb12u1Fixed in 115.8.0esr-1~deb12u1Fixed in 115.8.0esr-1
  8. Upgrade

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

    Fixed in 1:115.8.0-1~deb10u1Fixed in 1:115.7.0-1~deb11u1Fixed in 1:115.8.0-1~deb11u1Fixed in 1:115.7.0-1~deb12u1Fixed in 1:115.8.0-1~deb12u1Fixed in 1:115.7.0-1Fixed in 1:115.8.1-1
  9. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 102.13
  10. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 115
  11. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 102.13

Event History

Jul 4, 2023
CVE Published
12:00 AM
Jul 5, 2023
CVE Published
via MITRE·08:51 AM
Data Sourced
via MITRE·08:51 AM
DescriptionWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·12:21 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID?

CVE-2023-37201

2

What is the severity of CVE-2023-37201?

The severity of CVE-2023-37201 is high.

3

Which software is affected by CVE-2023-37201?

Firefox versions prior to 115, Firefox ESR versions prior to 102.13, and Thunderbird versions prior to 102.13 are affected by CVE-2023-37201.

4

What is the impact of CVE-2023-37201?

CVE-2023-37201 could allow an attacker to trigger a use-after-free condition when creating a WebRTC connection over HTTPS.

5

How can I fix CVE-2023-37201?

To fix CVE-2023-37201, you should update Firefox to version 115, Firefox ESR to version 102.13, or Thunderbird to version 102.13 or higher.

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