CVE-2013-2566

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 93.03% Top 5%
Vendor Advisory marc.info Vendor Advisory gentoo.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html third party advisory
http://blog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-broken-in.html third party advisory
http://www.securityfocus.com/bid/58796 vdb entry third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html third party advisory
http://cr.yp.to/talks/2013.03.12/slides.pdf third party advisory
http://marc.info/?l=bugtraq&m=143039468003789&w=2 issue tracking third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html third party advisory
https://security.gentoo.org/glsa/201504-01 third party advisory vendor advisory
http://security.gentoo.org/glsa/glsa-201406-19.xml third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html third party advisory
http://www.ubuntu.com/usn/USN-2031-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2032-1 third party advisory vendor advisory
http://my.opera.com/securitygroup/blog/2013/03/20/on-the-precariousness-of-rc4 third party advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html third party advisory
http://www.opera.com/security/advisory/1046 third party advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05336888 third party advisory
http://www.mozilla.org/security/announce/2013/mfsa2013-103.html third party advisory
http://www.isg.rhul.ac.uk/tls/ third party advisory
http://www.opera.com/docs/changelogs/unified/1215/ third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05289935 third party advisory

Frequently Asked Questions

What is the severity of CVE-2013-2566?
CVE-2013-2566 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2566?
To fix CVE-2013-2566, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2566 being actively exploited in the wild?
It is possible that CVE-2013-2566 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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