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CVE-2016-0799

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Date: March 2, 2016

The fmtstr function in crypto/bio/b_print.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g improperly calculates string lengths, which allows remote attackers to cause a denial of service (overflow and out-of-bounds read) or possibly have unspecified other impact via a long string, as demonstrated by a large amount of ASN.1 data, a different vulnerability than CVE-2016-2842.

Language: C

Severity Score

9.8

Related Resources (64)

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05086877

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

Url: http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

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

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

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

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

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

Url: http://www.securityfocus.com/bid/83755

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

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

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150800

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05141441

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

Url: http://www.securityfocus.com/bid/91787

Url: http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

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

Url: http://rhn.redhat.com/errata/RHSA-2016-0722.html

Url: https://security-tracker.debian.org/tracker/CVE-2016-0799

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05135617

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667

Url: http://rhn.redhat.com/errata/RHSA-2016-2073.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-0799

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

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: http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

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

Url: http://marc.info/?l=bugtraq&m=146108058503441&w=2

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

Url: http://rhn.redhat.com/errata/RHSA-2016-0996.html

Url: http://marc.info/?l=bugtraq&m=145983526810210&w=2

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

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0799

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: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

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/2016-04/msg00038.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068681

Url: http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05126404

Url: https://access.redhat.com/security/cve/CVE-2016-0799

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

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

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

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150736

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

Url: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=578b956fe741bf8e84055547b1e83c28dd902c73

Url: https://www.mend.io/vulnerability-database/CVE-2016-0799

Severity Score

9.8

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version 1.0.1s,1.0.2g

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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