5.9
MEDIUM
CVE-2016-6307
OpenSSL DoS State-machine Allocation Memory Corruption
Description

The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a 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/statem.c and statem/statem_lib.c.

INFO

Published Date :

Sept. 26, 2016, 7:59 p.m.

Last Modified :

Nov. 7, 2023, 2:33 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2016-6307 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-6307 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openssl openssl

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 6 months, 2 weeks ago
1 stars 1 fork 1 watcher
Born at : Jan. 29, 2024, 7:04 a.m. This repo has been linked 80 different CVEs too.

None

Updated: 2 months, 2 weeks ago
5 stars 0 fork 0 watcher
Born at : Feb. 23, 2023, 5:42 a.m. This repo has been linked 455 different CVEs too.

hackerone one million reports

bugbountytips vulnerability-research

Updated: 1 year, 7 months ago
3 stars 1 fork 1 watcher
Born at : Oct. 15, 2022, 6:48 p.m. This repo has been linked 80 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-6307 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6307 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650 [No types assigned]
    Removed Reference Red Hat, Inc. https://git.openssl.org/?p=openssl.git;a=commit;h=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650
  • CVE Modified by [email protected]

    Dec. 13, 2022

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 20, 2018

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 18, 2018

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 03, 2017

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/security/tns-2016-21 [No Types Assigned]
    Added Reference https://www.tenable.com/security/tns-2016-20 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 20, 2017

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 09, 2017

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1036885 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2017

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/security/tns-2016-16 [No Types Assigned]
    Added Reference http://www-01.ibm.com/support/docview.wss?uid=swg21995039 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 28, 2016

    Action Type Old Value New Value
    Added Reference https://bto.bluecoat.com/security-advisory/sa132 [No Types Assigned]
    Added Reference http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93152 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 26, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
  • Modified Analysis by [email protected]

    Sep. 27, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.openssl.org/news/secadv/20160922.txt No Types Assigned https://www.openssl.org/news/secadv/20160922.txt Vendor Advisory
    Changed Reference Type https://git.openssl.org/?p=openssl.git;a=commit;h=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650 No Types Assigned https://git.openssl.org/?p=openssl.git;a=commit;h=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650 Issue Tracking
    Added CWE CWE-400
  • Initial Analysis by [email protected]

    Sep. 27, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6307 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-6307 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

60.97 }} 7.36%

score

0.97685

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability