Vulnerability in Dropbear SSH Project
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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.065 (93.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
- Dropbear SSH Project
- Debian Linux — versions 6.0, 7.0
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/73444 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/48147 (Third Party Advisory, third-party-advisory)
- www.debian.org/security/2012/dsa-2456 (vendor-advisory, Third Party Advisory)
- www.osvdb.org/79590 (vdb-entry, Broken Link)
- matt.ucc.asn.au/dropbear/CHANGES (Vendor Advisory)
- www.securityfocus.com/bid/52159 (VDB Entry, Third Party Advisory, vdb-entry)
- secure.ucc.asn.au/hg/dropbear/rev/818108bf7749 (Vendor Advisory)
- www.mantor.org/~northox/misc/CVE-2012-0920.html (Third Party Advisory)
- secunia.com/advisories/48929 (Third Party Advisory, third-party-advisory)