CVE-2012-0920

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."

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.80% Top 20%
Vendor Advisory debian.org Vendor Advisory asn.au Vendor Advisory asn.au
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/73444 third party advisory vdb entry
http://secunia.com/advisories/48147 third party advisory
http://www.debian.org/security/2012/dsa-2456 third party advisory vendor advisory
http://www.osvdb.org/79590 vdb entry broken link
http://matt.ucc.asn.au/dropbear/CHANGES vendor advisory
http://www.securityfocus.com/bid/52159 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://secunia.com/advisories/48929 third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-0920?
CVE-2012-0920 has been scored as a high severity vulnerability.
How to fix CVE-2012-0920?
To fix CVE-2012-0920, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0920 being actively exploited in the wild?
It is possible that CVE-2012-0920 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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