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CVE-2013-2566

5.9 · MEDIUM

The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via statistical analys…

Published Mar 15, 2013oracleCWE-326EPSS 84.42%

Overview

CVE-2013-2566 is a medium-severity vulnerability affecting oracle communications_application_session_controller. It was published on March 15, 2013 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for remote attackers to conduct plaintext-recovery attacks via statistical analysis of ciphertext in a large number of sessions that use the same plaintext.

Remediation

Check the references section for vendor advisories and patches from oracle. Update communications_application_session_controller 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

VendorProductVersionsStatus
oraclecommunications_application_session_controller3.0.0Affected
oracleintegrated_lights_out_manager_firmware3.0.0Affected
fujitsusparc_enterprise_m3000_firmware>= xcp, < xcp_1121Affected
fujitsusparc_enterprise_m4000_firmware>= xcp, < xcp_1121Affected
fujitsusparc_enterprise_m5000_firmware>= xcp, < xcp_1121Affected
fujitsusparc_enterprise_m8000_firmware>= xcp, < xcp_1121Affected
fujitsusparc_enterprise_m9000_firmware>= xcp, < xcp_1121Affected
fujitsum10-1_firmware>= xcp, < xcp2280Affected
fujitsum10-4_firmware>= xcp, < xcp2280Affected
fujitsum10-4s_firmware>= xcp, < xcp2280Affected

References

Refblog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-broken-in.htmlRefcr.yp.to/talks/2013.03.12/slides.pdfRefkb.juniper.net/InfoCenter/index?page=content&id=JSA10705Refmarc.info/?l=bugtraq&m=143039468003789&w=2Refmy.opera.com/securitygroup/blog/2013/03/20/on-the-precariousness-of-rc4Refsecurity.gentoo.org/glsa/glsa-201406-19.xmlRefwww.isg.rhul.ac.uk/tls/Refwww.mozilla.org/security/announce/2013/mfsa2013-103.htmlRefwww.opera.com/docs/changelogs/unified/1215/Refwww.opera.com/security/advisory/1046

How CyberStrike helps

Frequently asked questions

What is CVE-2013-2566?

CVE-2013-2566 is a medium-severity vulnerability affecting oracle communications_application_session_controller. It was published on March 15, 2013 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2013-2566?

This vulnerability has a CVSS 3.1 base score of 5.9, 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-2013-2566?

Check the references section for vendor advisories and patches from oracle. Update communications_application_session_controller 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-2013-2566?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-2566 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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