Published: 26/09/2016 Updated: 07/11/2023

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2

VMScore: 384

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

The state-machine implementation in OpenSSL 1.1.0 prior to 1.1.0a allocates memory before checking for an excessive length, which might allow remote malicious users to cause a denial of service (memory consumption) via crafted TLS messages, related to statem/statem.c and statem/statem_lib.c.

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openssl openssl 1.1.0

The state-machine implementation in OpenSSL 110 before 110a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted TLS messages, related to statem/statemc and statem/statem_libc ...

On September 22, 2016, the OpenSSL Software Foundation released an advisory that describes 14 vulnerabilities Of these 14 vulnerabilities, the OpenSSL Software Foundation classifies one as “Critical Severity,” one as “Moderate Severity,” and the other 12 as “Low Severity” Subsequently, on September 26, the OpenSSL Software Foundatio ...

Nessus is potentially impacted by several vulnerabilities in OpenSSL (20160926) that were recently disclosed and fixed Note that due to the time involved in doing a full analysis of each issue, Tenable has opted to upgrade the included version of OpenSSL as a precaution, and to save time These vulnerabilities may impact Nessus and include: CVE-2 ...

LCE 481 is possibly impacted by multiple vulnerabilities reported in third-party libraries Tenable has not investigated each one to determine if it is exploitable or the vulnerable code path can be reached Instead, Dev has upgraded the impacted libraries as a faster and safer alternative Due to the number of library upgrades and the potential ...

Tenable's Passive Vulnerability Scanner (PVS) uses third-party libraries to provide certain standardized functionality Four of these libraries were found to contain vulnerabilities and were fixed upstream Those fixes have been integrated despite there being no known exploitation scenarios related to PVS OpenSSL ssl/statem/statemc read_state_ma ...

Patch AGAIN: OpenSSL security fixes now need their own security fixes

The Register • Team Register • 26 Sep 2016

Recursion (n): See recursion

Sysadmins and devs, fresh from a weekend spoiled by last week's OpenSSL emergency patch, have another emergency patch to install. One of last week's fixes, for CVE-2016-6307, created CVE-2016-6309, a dangling pointer security vulnerability. As the fresh advisory states: “The patch applied to address CVE-2016-6307 resulted in an issue where if a message larger than approx 16k is received, then the underlying buffer to store the incoming message is reallocated and moved. “Unfortunately a dangl...

CWE-400 https://www.openssl.org/news/secadv/20160922.txt http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html http://www.securityfocus.com/bid/93152 https://bto.bluecoat.com/security-advisory/sa132 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 https://www.tenable.com/security/tns-2016-16 http://www-01.ibm.com/support/docview.wss?uid=swg21995039 http://www.securitytracker.com/id/1036885 http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html https://www.tenable.com/security/tns-2016-21 https://www.tenable.com/security/tns-2016-20 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650 https://nvd.nist.gov https://www.theregister.co.uk/2016/09/26/openssl_patches_last_weeks_patch/https://www.cisa.gov/uscert/ics/advisories/icsa-22-349-21 http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl

CVE-2016-6307

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