CVE-2016-2182

Description

The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 37.20% Top 5%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory FreeBSD.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1036688 vdb entry
https://www.tenable.com/security/tns-2016-20
https://access.redhat.com/errata/RHSA-2018:2185 vendor advisory
https://access.redhat.com/errata/RHSA-2018:2186 vendor advisory
http://www.splunk.com/view/SP-CAAAPUE third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.securityfocus.com/bid/92557 vdb entry third party advisory
https://source.android.com/security/bulletin/2017-03-01
http://www.securitytracker.com/id/1037968 vdb entry
http://rhn.redhat.com/errata/RHSA-2016-1940.html vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html third party advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 third party advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
http://www.splunk.com/view/SP-CAAAPSV third party advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039 third party advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html third party advisory
https://www.tenable.com/security/tns-2016-16 third party advisory
https://www.tenable.com/security/tns-2016-21
https://kc.mcafee.com/corporate/index?page=content&id=SB10171 third party advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=07bed46f332fce8c1d157689a2cdf915a982ae34
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html third party advisory
https://bto.bluecoat.com/security-advisory/sa132 third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc vendor advisory
https://source.android.com/security/bulletin/2017-03-01.html
https://access.redhat.com/errata/RHSA-2018:2187 vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448 third party advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 third party advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10215
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html vendor advisory
http://www.ubuntu.com/usn/USN-3087-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html vendor advisory
http://www.ubuntu.com/usn/USN-3087-2 vendor advisory
https://support.f5.com/csp/article/K01276005
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html vendor advisory
http://seclists.org/fulldisclosure/2017/Jul/31 mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html vendor advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
http://www.debian.org/security/2016/dsa-3673 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html vendor advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html vendor advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Frequently Asked Questions

What is the severity of CVE-2016-2182?
CVE-2016-2182 has been scored as a critical severity vulnerability.
How to fix CVE-2016-2182?
To fix CVE-2016-2182, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2182 being actively exploited in the wild?
It is possible that CVE-2016-2182 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~37% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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