CVE-2016-6306

Description

The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s3_clnt.c and s3_srvr.c.

Gravité et risque d'exploitation

CVE-2016-6306 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 41.68 %, ce qui la place devant 98.7 % des CVE référencées.

Que faire ?

• Vérifiez si le produit concerné est présent sur votre parc.
• Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
• À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
• Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.

Références

• https://www.tenable.com/security/tns-2016-20
• https://access.redhat.com/errata/RHSA-2018:2185
• https://access.redhat.com/errata/RHSA-2018:2186
• http://www.securityfocus.com/bid/93153
• http://rhn.redhat.com/errata/RHSA-2016-1940.html
• https://security.gentoo.org/glsa/201612-16
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
• http://www.securitytracker.com/id/1036885
• https://www.tenable.com/security/tns-2016-16
• https://www.tenable.com/security/tns-2016-21
• https://bto.bluecoat.com/security-advisory/sa132
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
• https://access.redhat.com/errata/RHSA-2018:2187
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
• https://kc.mcafee.com/corporate/index?page=content&id=SB10215
• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
• http://www.ubuntu.com/usn/USN-3087-1
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
• http://www.ubuntu.com/usn/USN-3087-2
• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
• http://seclists.org/fulldisclosure/2017/Jul/31
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
• http://www.debian.org/security/2016/dsa-3673
• http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
• http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
• https://support.f5.com/csp/article/K90492697
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
• https://www.oracle.com/security-alerts/cpuapr2020.html
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
• https://www.oracle.com/security-alerts/cpujul2020.html
• http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
• https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
• https://www.oracle.com/security-alerts/cpujan2020.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
• http://www-01.ibm.com/support/docview.wss?uid=swg21995039
• https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
• https://www.openssl.org/news/secadv/20160922.txt
• https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=52e623c4cb06fffa9d5e75c60b34b4bc130b12e9
• https://www.oracle.com/security-alerts/cpuoct2020.html
• https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf