OpenSSH up to 7.2p2 sshd information disclosure

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 (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSH up to 7.2p2. It has been declared as problematic. The affected element is an unknown function of the component sshd. Such manipulation leads to information disclosure. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSH up to 7.2p2 (Connectivity Software). It has been rated as problematic. Affected by this issue is some unknown processing of the component sshd. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was shared 08/01/2016 by Jean Paul Degabriele, Kenny Paterson, Torben Hansen and Martin Albrecht as release-7.3 as confirmed advisory (Website). The advisory is shared for download at openssh.com. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 7.3 eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting Disable CBC Ciphers. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-90403 and VDB-90405 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: OpenSSH 7.3
Config: Disable CBC Ciphers

Timelineinfo

08/01/2016 🔍
08/01/2016 +0 days 🔍
08/02/2016 +1 days 🔍
03/15/2019 +955 days 🔍

Sourcesinfo

Advisory: release-7.3
Researcher: Jean Paul Degabriele, Kenny Paterson, Torben Hansen, Martin Albrecht
Status: Confirmed

GCVE (VulDB): GCVE-100-90404
See also: 🔍

Entryinfo

Created: 08/02/2016 10:12
Updated: 03/15/2019 08:45
Changes: 08/02/2016 10:12 (44), 03/15/2019 08:45 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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