CVE-2012-0920 Details

CVE-2012-0920

Published: 2012-06-05
Last Modified: 2018-10-30
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
Summary

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."

Analysis
Common Vulnerability Score System v2.0
Severity High
Base Score 7.1/10
Exploit Score 3.9/10
Access Vector Network
Access Complexity High
Authentication Single
Impact Score 10/10
Confidentiality Impact Complete
Availability Impact Complete
Integrity Impact Complete
Vector String AV:N/AC:H/Au:S/C:C/I:C/A:C
Common Vulnerability Score System v3.1

NIST has not assigned a CVSSv3.1 Score.

Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* Yes 0.52 -
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Yes - -
References

http://matt.ucc.asn.au/dropbear/CHANGES
http://secunia.com/advisories/48147
http://secunia.com/advisories/48929
http://www.debian.org/security/2012/dsa-2456
http://www.osvdb.org/79590
http://www.securityfocus.com/bid/52159
https://exchange.xforce.ibmcloud.com/vulnerabilities/73444
https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749
https://www.mantor.org/~northox/misc/CVE-2012-0920.html

CVE ID
CVE-2012-0920
Published
2012-06-05
Modified
2018-10-30
CVSSv2.0
High
PCI Compliance
Fail
US-CERT Alert
No
CWE
CWE-399

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