CVE-2012-0920

Severity CVSS v4.0:

Pending analysis

Type:

CWE-399 Resource Management Errors

Publication date:

05/06/2012

Last modified:

11/04/2025

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."

Impact

Vector 2.0

AV:N/AC:H/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

7.10

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh::::::::	0.52 (including)	2012.54 (including)
cpe:2.3:o:debian:debian_linux:6.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2012-0920

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools