CVEvulnerability
CVE-2012-0920
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2012-06-05
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.1 HIGH — AV:N/AC:H/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-399
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."
Affected configurations
• dropbear ssh project dropbear ssh (>= 0.52 <= 2012.54)
• debian debian linux 6.0
• debian debian linux 7.0
Related
Weakness · not in database (1)
References
- http://matt.ucc.asn.au/dropbear/CHANGES Vendor Advisory
- http://secunia.com/advisories/48147 Third Party Advisory
- http://secunia.com/advisories/48929 Third Party Advisory
- http://www.debian.org/security/2012/dsa-2456 Third Party Advisory
- http://www.osvdb.org/79590 Broken Link
- 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
- http://matt.ucc.asn.au/dropbear/CHANGES Vendor Advisory
- http://secunia.com/advisories/48147 Third Party Advisory
- http://secunia.com/advisories/48929 Third Party Advisory
- http://www.debian.org/security/2012/dsa-2456 Third Party Advisory
- http://www.osvdb.org/79590 Broken Link
- 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