National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-0920 Detail

Current Description

Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."

Source:  MITRE
Description Last Modified:  06/05/2012
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: (AV:N/AC:H/Au:S/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://matt.ucc.asn.au/dropbear/CHANGES Vendor Advisory
http://www.debian.org/security/2012/dsa-2456 Third Party Advisory
http://www.securityfocus.com/bid/52159 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/73444 Third Party Advisory VDB Entry
https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749 Vendor Advisory
https://www.mantor.org/~northox/misc/CVE-2012-0920.html Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-0920
NVD Published Date:
06/05/2012
NVD Last Modified:
10/30/2018