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Mend.io Vulnerability Database

CVE-2016-0702

Date: March 2, 2016

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.

Language: C

Severity Score

5.1

Related Resources (49)

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.html

Url: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168

Url: http://www.debian.org/security/2016/dsa-3500

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html

Url: https://access.redhat.com/security/cve/CVE-2016-0702

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178817.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: http://www.ubuntu.com/usn/USN-2914-1

Url: http://cachebleed.info

Url: https://security-tracker.debian.org/tracker/CVE-2016-0702

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00005.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-0702

Url: http://openssl.org/news/secadv/20160301.txt

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05052990

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759

Url: https://www.openssl.org/news/secadv/20160301.txt

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178358.html

Url: https://security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc

Url: https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us

Url: http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.html

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Url: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html

Url: http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917

Url: http://rhn.redhat.com/errata/RHSA-2016-2957.html

Url: http://www.securitytracker.com/id/1035133

Url: http://marc.info/?l=bugtraq&m=145889460330120&w=2

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html

Url: https://security.gentoo.org/glsa/201603-15

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html

Url: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=708dc2f1291e104fe4eef810bb8ffc1fae5b19c1

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0702

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.html

Url: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-0702

Severity Score

5.1

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:	5.1
Attack Vector (AV):	LOCAL
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

Base Score:	1.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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CVE-2016-0702

Date: March 2, 2016

Language: C

Severity Score

Related Resources (49)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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