Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2012-0920

7.1 · HIGH

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…

Published Jun 5, 2012dropbear_ssh_projectCWE-399EPSS 6.42%

Overview

CVE-2012-0920 is a high-severity vulnerability affecting dropbear_ssh_project dropbear_ssh. It was published on June 5, 2012 and has a CVSS 2.0 base score of 7.1 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from dropbear_ssh_project. Update dropbear_ssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
dropbear_ssh_projectdropbear_ssh0.52Affected

References

Refmatt.ucc.asn.au/dropbear/CHANGESRefsecunia.com/advisories/48147Refsecunia.com/advisories/48929Refwww.debian.org/security/2012/dsa-2456Refwww.osvdb.org/79590Refwww.securityfocus.com/bid/52159Refexchange.xforce.ibmcloud.com/vulnerabilities/73444Refsecure.ucc.asn.au/hg/dropbear/rev/818108bf7749Refwww.mantor.org/~northox/misc/CVE-2012-0920.htmlRefmatt.ucc.asn.au/dropbear/CHANGES

How CyberStrike helps

Frequently asked questions

What is CVE-2012-0920?

CVE-2012-0920 is a high-severity vulnerability affecting dropbear_ssh_project dropbear_ssh. It was published on June 5, 2012 and has a CVSS 2.0 base score of 7.1 (HIGH).

How severe is CVE-2012-0920?

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2012-0920?

Check the references section for vendor advisories and patches from dropbear_ssh_project. Update dropbear_ssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-0920?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-0920 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2012

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999