CVE-2012-0920
Dropbear SSH Server Use-After-Free Remote Code Execution Vulnerability
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."
INFO
Published Date :
June 5, 2012, 10:55 p.m.
Last Modified :
Oct. 30, 2018, 4:28 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
10.0
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2012-0920
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2012-0920.
| URL | Resource |
|---|---|
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2012-0920 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-0920 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Sep. 20, 2018
Action Type Old Value New Value Changed Reference Type http://matt.ucc.asn.au/dropbear/CHANGES No Types Assigned http://matt.ucc.asn.au/dropbear/CHANGES Vendor Advisory Changed Reference Type https://www.mantor.org/~northox/misc/CVE-2012-0920.html No Types Assigned https://www.mantor.org/~northox/misc/CVE-2012-0920.html Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/52159 No Types Assigned http://www.securityfocus.com/bid/52159 Third Party Advisory, VDB Entry Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/73444 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/73444 Third Party Advisory, VDB Entry Changed Reference Type http://secunia.com/advisories/48929 Vendor Advisory http://secunia.com/advisories/48929 Third Party Advisory Changed Reference Type http://www.debian.org/security/2012/dsa-2456 No Types Assigned http://www.debian.org/security/2012/dsa-2456 Third Party Advisory Changed Reference Type http://www.osvdb.org/79590 No Types Assigned http://www.osvdb.org/79590 Broken Link Changed Reference Type https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749 No Types Assigned https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749 Vendor Advisory Changed Reference Type http://secunia.com/advisories/48147 Vendor Advisory http://secunia.com/advisories/48147 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:matt_johnston:dropbear_ssh_server:0.52:*:*:*:*:*:*:* *cpe:2.3:a:matt_johnston:dropbear_ssh_server:0.53:*:*:*:*:*:*:* *cpe:2.3:a:matt_johnston:dropbear_ssh_server:0.53.1:*:*:*:*:*:*:* *cpe:2.3:a:matt_johnston:dropbear_ssh_server:2011.54:*:*:*:*:*:*:* *cpe:2.3:a:matt_johnston:dropbear_ssh_server:2012.54:*:*:*:*:*:*:* OR *cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* versions from (including) 0.52 up to (including) 2012.54 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 29, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/73444 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/73444 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 06, 2012
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-0920 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2012-0920
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.03 }} 0.00%
score
0.81562
percentile