CVE-2013-2566 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9