CVE-2013-2566

high-risk
Published 2013-03-15

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.

Do I need to act?

!
90.8% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (20)

Integrated Lights Out Manager Firmware

Affected Vendors

Oracle Canonical Mozilla Fujitsu

References (42)

Third Party Advisory http://blog.cryptographyengineering.com/2013/03/attack-of-week-rc4-is-kind-of-br...
Third Party Advisory http://cr.yp.to/talks/2013.03.12/slides.pdf
Third Party Advisory http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
Issue Tracking http://marc.info/?l=bugtraq&m=143039468003789&w=2
Third Party Advisory http://my.opera.com/securitygroup/blog/2013/03/20/on-the-precariousness-of-rc4
Third Party Advisory http://security.gentoo.org/glsa/glsa-201406-19.xml
Third Party Advisory http://www.isg.rhul.ac.uk/tls/
Third Party Advisory http://www.mozilla.org/security/announce/2013/mfsa2013-103.html
Third Party Advisory http://www.opera.com/docs/changelogs/unified/1215/
Third Party Advisory http://www.opera.com/security/advisory/1046
Third Party Advisory http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
Third Party Advisory http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Third Party Advisory http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Third Party Advisory http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Third Party Advisory http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Third Party Advisory http://www.securityfocus.com/bid/58796
Third Party Advisory http://www.ubuntu.com/usn/USN-2031-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2032-1
Third Party Advisory https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...
Third Party Advisory https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...
and 22 more references
59
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 20/34 · Moderate
Exposure 21/34 · High