OpenSSH up to 7.2p2 sshd Password resource consumption

CVSS Meta Temp Score
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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 classified as problematic. Impacted is an unknown function of the component sshd. This manipulation of the argument Password causes resource consumption. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in OpenSSH up to 7.2p2 (Connectivity Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component sshd. The manipulation of the argument password with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.

The weakness was presented 08/01/2016 by Tomas Kuthan, Andres Rojas and Javier Nieto as release-7.3 as confirmed advisory (Website). It is possible to read the advisory at openssh.com. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 7.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-90404 and VDB-90405 for similar entries. Statistical analysis made it clear that VulDB provides the best quality 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: Resource consumption
CWE: CWE-400 / CWE-404
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

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: Tomas Kuthan, Andres Rojas, Javier Nieto
Status: Confirmed

GCVE (VulDB): GCVE-100-90403
See also: 🔍

Entryinfo

Created: 08/02/2016 10:12
Updated: 03/15/2019 08:40
Changes: 08/02/2016 10:12 (43), 03/15/2019 08:40 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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