National Vulnerability Database

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    Vulnerabilities Detail

CVE-2013-2566 Detail

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.

Source:  MITRE
Description Last Modified:  03/15/2013

Evaluator Description

The vulnerability is in the protocols and the vulnerable configurations contain a non-exhaustive list of products which likely use the protocols described in this vulnerability.

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.9 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.2

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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

Technical Details

Vulnerability Type (View All)

Change History

14 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-2566
NVD Published Date:
03/15/2013
NVD Last Modified:
01/18/2018