high
8.6
CWE
787
Advisory Published
Updated

CVE-2017-5448

First published: Wed Apr 19 2017(Updated: )

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Credit: security@mozilla.org security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<45.9
45.9
Mozilla Firefox ESR<52.1
52.1
Mozilla Firefox<53
53
Debian GNU/Linux=7.0
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
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=7.3
redhat enterprise Linux server aus=7.4
redhat enterprise Linux server eus=7.3
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 ESR<45.9.0
Mozilla Firefox>=52.0<52.1.0
Mozilla Firefox<53.0
Mozilla Firefox ESR>=52.0<52.1.0
debian/firefox
135.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.7.0esr-1~deb11u1
128.5.0esr-1~deb12u1
128.7.0esr-1~deb12u1
128.7.0esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2017-5448?

    CVE-2017-5448 is classified as a high-severity vulnerability due to the potential for an out-of-bounds write that could lead to arbitrary code execution if the sandbox is escaped.

  • How do I fix CVE-2017-5448?

    To fix CVE-2017-5448, upgrade to Mozilla Firefox ESR version 45.9 or 52.1, or Mozilla Firefox version 53 and above.

  • What systems are vulnerable to CVE-2017-5448?

    CVE-2017-5448 affects Mozilla Firefox and Firefox ESR versions prior to 45.9 and 52.1 respectively, along with various versions of Red Hat and Debian Linux.

  • When was CVE-2017-5448 disclosed?

    CVE-2017-5448 was disclosed in March 2017 as part of Mozilla's security advisories.

  • What component is affected by CVE-2017-5448?

    CVE-2017-5448 specifically affects the ClearKeyDecryptor component within the Gecko Media Plugin (GMP) sandbox.

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