Medium severity5.9NVD Advisory· Published Mar 2, 2016· Updated Jun 17, 2026
CVE-2016-0703
CVE-2016-0703
Description
The get_client_master_key function in s2_srvr.c in the SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a accepts a nonzero CLIENT-MASTER-KEY CLEAR-KEY-LENGTH value for an arbitrary cipher, which allows man-in-the-middle attackers to determine the MASTER-KEY value and decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, a related issue to CVE-2016-0800.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
71cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*+ 44 more
- cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*range: <=0.9.8ze
- cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0e:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0f:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0g:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0h:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0i:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0j:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0k:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0l:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0m:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0n:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0o:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0p:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.0q:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1:beta1:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1:beta2:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1:beta3:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2:beta1:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2:beta2:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2:beta3:*:*:*:*:*:*
- (no CPE)range: <0.9.8zf || >=1.0.0 <1.0.0r || >=1.0.1 <1.0.1m || >=1.0.2 <1.0.2a
- osv-coords26 versionspkg:rpm/suse/compat-openssl097g&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/compat-openssl097g&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2012pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITYpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/openssl&distro=SUSE%20Manager%202.1pkg:rpm/suse/openssl&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/openssl&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/openssl&distro=SUSE%20Studio%20Onsite%201.3
< 0.9.7g-146.22.41.1+ 25 more
- (no CPE)range: < 0.9.7g-146.22.41.1
- (no CPE)range: < 0.9.7g-146.22.41.1
- (no CPE)range: < 0.9.8j-94.1
- (no CPE)range: < 0.9.8j-94.1
- (no CPE)range: < 0.9.8j-94.1
- (no CPE)range: < 0.9.8j-94.1
- (no CPE)range: < 1.0.1g-0.40.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 1.0.1i-27.13.1
- (no CPE)range: < 1.0.1i-44.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 1.0.1i-27.13.1
- (no CPE)range: < 1.0.1i-44.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 1.0.1i-27.13.1
- (no CPE)range: < 1.0.1i-44.1
- (no CPE)range: < 0.9.8j-0.89.1
- (no CPE)range: < 1.0.1i-27.13.1
- (no CPE)range: < 1.0.1i-44.1
- (no CPE)range: < 0.9.8j-0.91.1
- (no CPE)range: < 0.9.8j-0.91.1
- (no CPE)range: < 0.9.8j-0.91.1
- (no CPE)range: < 0.9.8j-0.89.1
Patches
Vulnerability mechanics
References
31- openssl.org/news/secadv/20160301.txtnvdVendor Advisory
- kb.juniper.net/InfoCenter/indexnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.htmlnvd
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-opensslnvd
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvd
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlnvd
- www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.htmlnvd
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlnvd
- www.securityfocus.com/bid/83743nvd
- www.securitytracker.com/id/1035133nvd
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfnvd
- drownattack.comnvd
- git.openssl.orgnvd
- h20566.www2.hpe.com/hpsc/doc/public/displaynvd
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168nvd
- security.freebsd.org/advisories/FreeBSD-SA-16:12.openssl.ascnvd
- security.gentoo.org/glsa/201603-15nvd
- www.arista.com/en/support/advisories-notices/security-advisories/1260-security-advisory-18nvd
- www.openssl.org/news/secadv/20160301.txtnvd
News mentions
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