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CVE-2012-0920
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
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.".
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.1/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- High
- Authentication Required
- Single
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* |
Yes
|
0.52 | - | |
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://www.osvdb.org/79590
- http://www.securityfocus.com/bid/52159
- http://secunia.com/advisories/48147
- http://matt.ucc.asn.au/dropbear/CHANGES
- https://www.mantor.org/~northox/misc/CVE-2012-0920.html
- http://secunia.com/advisories/48929
- http://www.debian.org/security/2012/dsa-2456
- https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73444