CVE-2018-5102: Use After Free

Published Jan 23, 2018
·
Updated

A use-after-free vulnerability can occur when manipulating HTML media elements with media streams, resulting in a potentially exploitable crash.

Affected Software

42 affected componentsFixes available
Mozilla Thunderbird<52.6
52.6
Mozilla Firefox<58
58
Mozilla Firefox ESR<52.6
52.6
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.4
redhat Enterprise Linux Server Eus=7.4
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Mozilla Firefox<58.0
Mozilla Firefox ESR<52.6.0
Mozilla Thunderbird<52.6.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Mozilla Firefox<52.6.0
debian/firefox
147.0.4-1
debian/firefox-esr
115.14.0esr-1~deb11u1140.7.0esr-1~deb11u1128.14.0esr-1~deb12u1140.7.0esr-1~deb12u1140.4.0esr-1~deb13u1140.7.0esr-1~deb13u1140.7.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:140.7.1esr-1~deb11u11:140.6.0esr-1~deb12u11:140.7.1esr-1~deb12u11:140.6.0esr-1~deb13u11:140.7.1esr-1~deb13u11:140.7.1esr-1
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0
alpine/firefox-esr<52.6.0-r0
52.6.0-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 52.6
  2. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 58
  3. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 52.6
  4. Upgrade

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

    Fixed in 147.0.4-1
  5. Upgrade

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

    Fixed in 115.14.0esr-1~deb11u1Fixed in 140.7.0esr-1~deb11u1Fixed in 128.14.0esr-1~deb12u1Fixed in 140.7.0esr-1~deb12u1Fixed in 140.4.0esr-1~deb13u1Fixed in 140.7.0esr-1~deb13u1Fixed in 140.7.0esr-1
  6. Upgrade

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

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:140.7.1esr-1~deb11u1Fixed in 1:140.6.0esr-1~deb12u1Fixed in 1:140.7.1esr-1~deb12u1Fixed in 1:140.6.0esr-1~deb13u1Fixed in 1:140.7.1esr-1~deb13u1Fixed in 1:140.7.1esr-1
  7. Upgrade

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

    Fixed in 52.6.0-r0

Event History

Jan 23, 2018
CVE Published
12:00 AM
Data Sourced
via Red Hat·11:17 PM
DescriptionSeverityAffected Software
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Data Sourced
via NVD·09:29 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·09:29 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2018-5102.

2

Which software versions are affected by this vulnerability?

This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

3

What is the severity rating of CVE-2018-5102?

The severity rating of CVE-2018-5102 is critical with a score of 9.8.

4

Is there a fix available for this vulnerability?

Yes, the vulnerability can be fixed by updating to Firefox version 58.0 or higher, Thunderbird version 52.6.0 or higher, or the latest version of Ubuntu's firefox package.

5

Where can I find more information about CVE-2018-5102?

You can find more information about CVE-2018-5102 in the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1419363), [Mozilla Security Advisory](https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/), [Mozilla Security Advisories](https://www.mozilla.org/security/advisories/mfsa2018-02/)

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