high
7.5
CWE
269
Advisory Published
CVE Published
Updated

CVE-2017-7803

First published: Tue Aug 08 2017(Updated: )

When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
debian/firefox
118.0.2-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.3.1esr-1~deb10u1
102.15.0esr-1~deb11u1
115.3.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.3.0esr-1~deb12u1
115.3.0esr-1
Thunderbird<52.3
52.3
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
Debian=8.0
Debian=9.0
Firefox<55.0
Firefox ESR<52.3.0
Thunderbird<52.3.0
Firefox<55
55
Firefox ESR<52.3
52.3

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=1377426

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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-2017-7803?

    CVE-2017-7803 has a moderate severity level due to the potential for incorrect enforcement of content security policies.

  • How do I fix CVE-2017-7803?

    To fix CVE-2017-7803, update your Firefox or Thunderbird client to versions 52.3 or higher.

  • Which software versions are affected by CVE-2017-7803?

    CVE-2017-7803 affects Thunderbird versions below 52.3, Firefox ESR versions below 52.3, and Firefox versions below 55.

  • Is there a specific vendor associated with CVE-2017-7803?

    CVE-2017-7803 is associated with Mozilla, affecting their Firefox and Thunderbird products.

  • What are the potential consequences of CVE-2017-7803?

    The potential consequences of CVE-2017-7803 include security vulnerabilities that may allow unauthorized content execution due to improper CSP enforcement.

Company

Resources

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