VDB-91907 · CVE-2016-2181 · BID 92982

OpenSSL 1.0.1/1.0.2 DTLS Replay Protection denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenSSL 1.0.1/1.0.2. This affects an unknown part of the component DTLS Replay Protection. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2016-2181. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSL 1.0.1/1.0.2 (Network Encryption Software). It has been rated as problematic. This issue affects an unknown code of the component DTLS Replay Protection. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 09/22/2016 as 20160922.txt as confirmed advisory (Website). It is possible to read the advisory at openssl.org. The identification of this vulnerability is CVE-2016-2181 since 01/29/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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 92982†). The entries VDB-87879, VDB-88080, VDB-90937 and VDB-90940 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Support

  • end of life (old version)

Website

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

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
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: 🔍

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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: 1fb9fdc3027b27d8eb6a1e6a846435b070980770

Timelineinfo

01/29/2016 🔍
07/05/2016 +158 days 🔍
09/22/2016 +79 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
08/29/2024 +2897 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: 20160922.txt
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2181 (🔍)
GCVE (CVE): GCVE-0-2016-2181
GCVE (VulDB): GCVE-100-91907
SecurityFocus: 92982 - OpenSSL CVE-2016-2181 Denial of Service Vulnerability
SecurityTracker: 1036690

See also: 🔍

Entryinfo

Created: 09/23/2016 18:11
Updated: 08/29/2024 04:56
Changes: 09/23/2016 18:11 (48), 07/07/2019 16:45 (5), 09/20/2022 10:33 (4), 09/20/2022 10:38 (18), 08/29/2024 04:56 (16)
Complete: 🔍
Cache ID: 216::103

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