Vulnerability Details CVE-2012-0920
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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.8%
CVSS Severity
CVSS v2 Score 7.1
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
- 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
Products affected by CVE-2012-0920
-
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:0.52
-
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:0.53
-
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:0.53.1
-
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:2011.54
-
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:2012.54
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cpe:2.3:o:debian:debian_linux:6.0
-
cpe:2.3:o:debian:debian_linux:7.0