VDB-91905 · CVE-2016-2178 · BID 91081

OpenSSL 1.0.1/1.0.2 DSA Signing information exposure

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-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in OpenSSL 1.0.1/1.0.2. Affected by this vulnerability is an unknown functionality of the component DSA Signing. Performing a manipulation results in an unknown weakness. This vulnerability is known as CVE-2016-2178. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSL 1.0.1/1.0.2 (Network Encryption Software). It has been classified as critical. This affects some unknown functionality of the component DSA Signing. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. The impact remains unknown.

The weakness was published 09/22/2016 as 20160922.txt as confirmed advisory (Website). The advisory is shared at openssl.org. This vulnerability is uniquely identified as CVE-2016-2178 since 01/29/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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 91081†). Similar entries are available at VDB-87879, VDB-88080, VDB-90937 and VDB-90940. Several companies clearly confirm that VulDB is the primary source for best 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: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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: 399944622df7bd81af62e67ea967c470534090e2

Timelineinfo

01/29/2016 🔍
06/08/2016 +131 days 🔍
09/22/2016 +106 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-2016-2178 (🔍)
GCVE (CVE): GCVE-0-2016-2178
GCVE (VulDB): GCVE-100-91905
SecurityFocus: 91081 - OpenSSL CVE-2016-2178 Side Channel Attack Information Disclosure Vulnerability
SecurityTracker: 1036054

See also: 🔍

Entryinfo

Created: 09/23/2016 18:11
Updated: 08/29/2024 03:43
Changes: 09/23/2016 18:11 (47), 07/07/2019 16:42 (5), 09/20/2022 10:11 (5), 09/20/2022 10:17 (20), 08/29/2024 03:43 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!