CVE-2016-0702

OpenSSL: Side channel attack on modular exponentiation

Published Mar 3, 2016 CVSS 3.1 · 5.1 Medium EPSS 1.9% KEV · Not listed
Description
The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-3500-1 openssl security update
EUVD EUVD EUVD-2016-0737 The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.
Ubuntu USN Ubuntu USN USN-2914-1 OpenSSL vulnerabilities
References
Link Providers
http://cachebleed.info cve-icon cve-icon
http://cachebleed.info/ cve-icon
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178358.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178817.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00005.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=145889460330120&w=2 cve-icon cve-icon
http://openssl.org/news/secadv/20160301.txt cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-2957.html cve-icon cve-icon
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3500 cve-icon cve-icon
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html cve-icon cve-icon
http://www.securitytracker.com/id/1035133 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2914-1 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf cve-icon cve-icon
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=708dc2f1291e104fe4eef810bb8ffc1fae5b19c1 cve-icon cve-icon
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05052990 cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 cve-icon cve-icon
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 cve-icon cve-icon
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2016-0702 cve-icon
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc cve-icon cve-icon
https://security.gentoo.org/glsa/201603-15 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2016-0702 cve-icon
https://www.openssl.org/news/secadv/20160301.txt cve-icon cve-icon cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 10:30 PM
Reserved
Dec 16, 2015, 12:00 AM
Status
Modified
Published
Mar 3, 2016, 8:59 PM
Modified
Jun 17, 2026, 12:38 AM
Severity
Low
Public date
Mar 1, 2016, 12:00 AM