cve-2013-2566?

CVE-2013-2566 is a medium-severity vulnerability affecting the RC4 algorithm used in TLS and SSL protocols. This vulnerability can potentially allow attackers to recover authentication cookies and compromise user privacy. Various software configurations and systems that rely on SSL/TLS connections for secure communication, such as web browsers and servers, are impacted by this issue. It is essential for users and organizations to be aware of this vulnerability and take necessary precautions to protect their systems and data.

Who is impacted by this?

The CVE-2013-2566 vulnerability affects a wide range of software and systems, including Oracle Communications Application Session Controller, Oracle HTTP Server, Oracle Integrated Lights Out Manager Firmware, Fujitsu SPARC Enterprise Firmware, Canonical Ubuntu Linux, and various Mozilla products like Firefox, Firefox ESR, Seamonkey, Thunderbird, and Thunderbird ESR. The affected versions vary across these products, but generally include releases prior to late 2013.

What to do if cve-2013-2566 affected you

If you're affected by the CVE-2013-2566 vulnerability, it's crucial to take action to protect your systems and data. To mitigate this issue, follow these steps:

1. Stop using RC4 as the primary cipher suite in SSL/TLS.

2. Switch to CBC mode cipher suites or authenticated encryption modes like AEAD TLS cipher suites.

3. Update browsers to support authenticated encryption modes.

4. Implement tighter limits on session cookies' duration and lifespan.

By taking these measures, you can reduce the risk of attackers exploiting this vulnerability and compromising your privacy.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

CVE-2013-2566 is not listed in CISA's Known Exploited Vulnerabilities Catalog. This vulnerability, affecting the RC4 algorithm in SSL/TLS protocols, was published on March 15, 2013.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-326, indicating inadequate encryption strength in the RC4 algorithm used in TLS and SSL protocols.

Learn More

For a comprehensive understanding of this vulnerability, consult the National Vulnerability Database and the sources listed below.

• Attack of the week: RC4 is kind of broken in TLS – A Few Thoughts on Cryptographic Engineering