CVE-2013-0757

Impact:
Critical
Public Date:
2013-01-08
Bugzilla:
892147: CVE-2013-0757 Mozilla: Chrome Object Wrapper (COW) bypass through changing prototype (MFSA 2013-14)

The MITRE CVE dictionary describes this issue as:

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 does not prevent modifications to the prototype of an object, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by referencing Object.prototype.__proto__ in a crafted HTML document.

Find out more about CVE-2013-0757 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not Vulnerable. This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 firefox Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected
Red Hat Enterprise Linux 5 firefox Not affected
Red Hat Enterprise Linux 5 thunderbird Not affected

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Mariusz Mlynski as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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