CVE-2015-2808

Description

The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic that occasionally relies on keys affected by the Invariance Weakness, and then using a brute-force approach involving LSB values, aka the "Bar Mitzvah" issue.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 48.84% Top 5%
Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory ibm.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory ibm.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory hp.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=bugtraq&m=143818140118771&w=2 issue tracking third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1243.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1007.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=143817899717054&w=2 issue tracking third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=144493176821532&w=2 issue tracking third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1006.html third party advisory vendor advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773256 third party advisory
https://kb.juniper.net/JSA10783 third party advisory
http://www.securitytracker.com/id/1033737 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html mailing list third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=144060576831314&w=2 issue tracking third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html third party advisory patch
http://www.securitytracker.com/id/1036222 vdb entry third party advisory
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c04779034 third party advisory
http://www-304.ibm.com/support/docview.wss?uid=swg21960769 third party advisory
https://security.gentoo.org/glsa/201512-10 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1229.html third party advisory vendor advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c04708650 third party advisory
http://www.securitytracker.com/id/1032600 vdb entry third party advisory
http://www.securitytracker.com/id/1032910 vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2706-1 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1526.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=143817021313142&w=2 issue tracking third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html third party advisory
http://www.securitytracker.com/id/1032599 vdb entry third party advisory
http://marc.info/?l=bugtraq&m=144104533800819&w=2 issue tracking third party advisory vendor advisory
http://www-304.ibm.com/support/docview.wss?uid=swg21903565 third party advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04772190 third party advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c04711380 third party advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10163 broken link
http://marc.info/?l=bugtraq&m=144043644216842&w=2 issue tracking third party advisory vendor advisory
http://www.securitytracker.com/id/1032734 vdb entry third party advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1IV71892 third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05193347 third party advisory
http://www.securitytracker.com/id/1033769 vdb entry third party advisory
http://www.securitytracker.com/id/1032707 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00040.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1091.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=144069189622016&w=2 issue tracking third party advisory vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1IV71888 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1228.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=144060606031437&w=2 issue tracking third party advisory vendor advisory
http://www.securitytracker.com/id/1032708 vdb entry third party advisory
http://www.huawei.com/en/psirt/security-advisories/hw-454055 third party advisory
http://www.debian.org/security/2015/dsa-3316 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html third party advisory
http://www.securitytracker.com/id/1033415 vdb entry third party advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246 third party advisory
https://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5098709 third party advisory
http://marc.info/?l=bugtraq&m=144104565600964&w=2 issue tracking third party advisory vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21883640 third party advisory
http://marc.info/?l=bugtraq&m=144102017024820&w=2 issue tracking third party advisory vendor advisory
http://www.securitytracker.com/id/1033432 vdb entry third party advisory
http://marc.info/?l=bugtraq&m=143629696317098&w=2 issue tracking third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html mailing list third party advisory vendor advisory
http://www.securitytracker.com/id/1032858 vdb entry third party advisory
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04687922 third party advisory vendor advisory
http://www.securitytracker.com/id/1032788 vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2696-1 third party advisory vendor advisory
https://www.blackhat.com/docs/asia-15/materials/asia-15-Mantin-Bar-Mitzvah-Attack-Breaking-SSL-With-13-Year-Old-RC4-Weakness-wp.pdf third party advisory technical description
http://www.debian.org/security/2015/dsa-3339 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1020.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1242.html third party advisory vendor advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10727 third party advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773241 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html mailing list third party advisory vendor advisory
http://www.securitytracker.com/id/1033431 vdb entry third party advisory
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-454055.htm third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05085988 third party advisory
http://www.securitytracker.com/id/1032868 vdb entry third party advisory
http://marc.info/?l=bugtraq&m=144059703728085&w=2 issue tracking third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html third party advisory
http://www.securityfocus.com/bid/91787 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00046.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00047.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00039.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1241.html third party advisory vendor advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04770140 third party advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1230.html third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05336888 third party advisory
http://marc.info/?l=bugtraq&m=143456209711959&w=2 issue tracking third party advisory vendor advisory
http://www.securitytracker.com/id/1033386 vdb entry third party advisory
http://marc.info/?l=bugtraq&m=143741441012338&w=2 issue tracking third party advisory vendor advisory
http://www.securitytracker.com/id/1033072 vdb entry third party advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04926789 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html mailing list third party advisory vendor advisory
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773119 third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1021.html third party advisory vendor advisory
http://www-304.ibm.com/support/docview.wss?uid=swg21960015 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00013.html mailing list third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05289935 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html mailing list third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=144059660127919&w=2 issue tracking third party advisory vendor advisory
http://www.securityfocus.com/bid/73684 vdb entry third party advisory
http://www.securitytracker.com/id/1032990 vdb entry third party advisory
http://www.securitytracker.com/id/1033071 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html mailing list third party advisory vendor advisory
https://www.secpod.com/blog/cve-2015-2808-bar-mitzvah-attack-in-rc4-2/

Frequently Asked Questions

What is the severity of CVE-2015-2808?
CVE-2015-2808 has been scored as a medium severity vulnerability.
How to fix CVE-2015-2808?
To fix CVE-2015-2808, 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-2015-2808 being actively exploited in the wild?
It is possible that CVE-2015-2808 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~49% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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