VDB-91906 · CVE-2016-2179 · BID 92987

OpenSSL 1.0.1/1.0.2 DTLS Buffer denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in OpenSSL 1.0.1/1.0.2. Affected by this issue is some unknown functionality of the component DTLS Handler. Executing a manipulation can lead to denial of service (Buffer). This vulnerability is handled as CVE-2016-2179. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenSSL 1.0.1/1.0.2 (Network Encryption Software). It has been declared as problematic. This vulnerability affects an unknown part of the component DTLS Handler. The manipulation with an unknown input leads to a denial of service vulnerability (Buffer). The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 09/22/2016 by Quan Luo as 20160922.txt as confirmed advisory (Website). The advisory is available at openssl.org. This vulnerability was named CVE-2016-2179 since 01/29/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 351322 (Amazon Linux Security Advisory for openssl: AL2012-2018-245).

Upgrading to version 1.0.1u or 1.0.2i eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92987†). Entries connected to this vulnerability are available at VDB-87879, VDB-88080, VDB-90937 and VDB-90940. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Network Encryption Software

Name

OpenSSL

Version

License

open-source

Support

end of life (old version)

Website

Product: https://www.openssl.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Buffer
Class: Denial of service / Buffer
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: OpenSSL 1.0.1u/1.0.2i
Patch: f5c7f5dfbaf0d2f7d946d0fe86f08e6bcb36ed0d

Timelineinfo

01/29/2016 🔍
06/30/2016 +153 days 🔍
09/22/2016 +84 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
08/29/2024 +2896 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: 20160922.txt
Researcher: Quan Luo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2179 (🔍)
GCVE (CVE): GCVE-0-2016-2179
GCVE (VulDB): GCVE-100-91906
SecurityFocus: 92987 - OpenSSL CVE-2016-2179 Multiple Denial of Service Vulnerabilities
SecurityTracker: 1036689

See also: 🔍

Entryinfo

Created: 09/23/2016 18:11
Updated: 08/29/2024 01:58
Changes: 09/23/2016 18:11 (49), 07/07/2019 16:46 (6), 09/20/2022 10:22 (4), 09/20/2022 10:28 (18), 08/29/2024 01:58 (16)
Complete: 🔍
Cache ID: 216::103

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