Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2014-8638

Cross-Site Request Forgery (CSRF)

Published: Jan 14, 2015 | Modified: Oct 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
4.3 MODERATE
AV:N/AC:M/Au:N/C:P/I:N/A:N
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2014-8638
CWEhttps://cwe.mitre.org/data/definitions/352.html

The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 omits the CORS Origin header, which allows remote attackers to bypass intended CORS access-control checks and conduct cross-site request forgery (CSRF) attacks via a crafted web site.

Weakness

The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

Affected Software

Name Vendor Start Version End Version
Firefox Mozilla 31.0 (including) 31.0 (including)
Firefox Mozilla 31.1.0 (including) 31.1.0 (including)
Firefox Mozilla 31.1.1 (including) 31.1.1 (including)
Firefox Mozilla 31.3.0 (including) 31.3.0 (including)
Firefox_esr Mozilla 31.2 (including) 31.2 (including)
Red Hat Enterprise Linux 5 RedHat firefox-0:31.4.0-1.el5_11 *
Red Hat Enterprise Linux 5 RedHat thunderbird-0:31.4.0-1.el5_11 *
Red Hat Enterprise Linux 6 RedHat firefox-0:31.4.0-1.el6_6 *
Red Hat Enterprise Linux 6 RedHat thunderbird-0:31.4.0-1.el6_6 *
Red Hat Enterprise Linux 7 RedHat firefox-0:31.4.0-1.el7_0 *
Red Hat Enterprise Linux 7 RedHat xulrunner-0:31.4.0-1.el7_0 *
Firefox Ubuntu devel *
Firefox Ubuntu lucid *
Firefox Ubuntu precise *
Firefox Ubuntu trusty *
Firefox Ubuntu upstream *
Firefox Ubuntu utopic *
Thunderbird Ubuntu devel *
Thunderbird Ubuntu lucid *
Thunderbird Ubuntu precise *
Thunderbird Ubuntu trusty *
Thunderbird Ubuntu upstream *
Thunderbird Ubuntu utopic *

Potential Mitigations

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, use anti-CSRF packages such as the OWASP CSRFGuard. [REF-330]
  • Another example is the ESAPI Session Management control, which includes a component for CSRF. [REF-45]
  • Use the “double-submitted cookie” method as described by Felten and Zeller:
  • When a user visits a site, the site should generate a pseudorandom value and set it as a cookie on the user’s machine. The site should require every form submission to include this value as a form value and also as a cookie value. When a POST request is sent to the site, the request should only be considered valid if the form value and the cookie value are the same.
  • Because of the same-origin policy, an attacker cannot read or modify the value stored in the cookie. To successfully submit a form on behalf of the user, the attacker would have to correctly guess the pseudorandom value. If the pseudorandom value is cryptographically strong, this will be prohibitively difficult.
  • This technique requires Javascript, so it may not work for browsers that have Javascript disabled. [REF-331]

References

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