CVE-2013-0776
4.0 · MEDIUMOverview
CVE-2013-0776 is a medium-severity vulnerability affecting mozilla firefox. It was published on February 19, 2013 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web script, as demonstrated by a phishing attack on an HTTPS site.
Remediation
Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mozilla | firefox | >= 0, < 17.0.3 | Affected |
| mozilla | seamonkey | >= 0, < 2.16 | Affected |
| mozilla | thunderbird | >= 0, < 17.0.3 | Affected |
| mozilla | thunderbird_esr | >= 0, < 17.0.3 | Affected |
References
Frequently Asked Questions
What is CVE-2013-0776?
CVE-2013-0776 is a medium-severity vulnerability affecting mozilla firefox. It was published on February 19, 2013 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
How severe is CVE-2013-0776?
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2013-0776?
Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2013-0776?
CyberStrike's AI-powered security agents can automatically detect CVE-2013-0776 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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