CVE-2013-2566
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.
- Score
- CVSS 3.1 5.9 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2013-03-15
- Last modified
- 2026-05-22
- Weaknesses
- CWE-326, CWE-327
Affected products
- Ubuntu Linux (Canonical)
- M10-1 Firmware (Fujitsu)
- M10-4 Firmware (Fujitsu)
- M10-4s Firmware (Fujitsu)
- Sparc Enterprise M3000 Firmware (Fujitsu)
- Sparc Enterprise M4000 Firmware (Fujitsu)
- Sparc Enterprise M5000 Firmware (Fujitsu)
- Sparc Enterprise M8000 Firmware (Fujitsu)
- Sparc Enterprise M9000 Firmware (Fujitsu)
- Firefox (Mozilla)
- Seamonkey (Mozilla)
- Thunderbird (Mozilla)
- Thunderbird Esr (Mozilla)
- Communications Application Session Controller (Oracle)
- Http Server (Oracle)
- Integrated Lights Out Manager Firmware (Oracle)
References
- 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
