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CVE-2012-0920

Status Candidate

Overview

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."

Related Files

Gentoo Linux Security Advisory 201309-20
Posted Sep 27, 2013
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201309-20 - Multiple vulnerabilities have been found in Dropbear, the worst of which could lead to arbitrary code execution. Versions less than 2012.55 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2012-0920
SHA-256 | 8c501aac169b59f4d7e34bf130f52ad2568dffab61cd485f6e2a81642491f13f
Debian Security Advisory 2456-1
Posted Apr 25, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2456-1 - Danny Fullerton discovered a use-after-free in the Dropbear SSH daemon, resulting in potential execution of arbitrary code. Exploitation is limited to users, who have been authenticated through public key authentication and for which command restrictions are in place.

tags | advisory, arbitrary
systems | linux, debian
advisories | CVE-2012-0920
SHA-256 | 74e30aac727f551c38ff58b3cc7ff8cd5d28075b68721fe8d01264232d3782b2
Dropbear SSH Server Use-After-Free
Posted Feb 24, 2012
Authored by Danny Fullerton

The Dropbear SSH server suffers from a use-after-free vulnerability that allows for arbitrary code execution.

tags | advisory, arbitrary, code execution
advisories | CVE-2012-0920
SHA-256 | 64265ec1c523533339855204fdc6f2a60efec7010b11b476bb2709c5aaf7b16e
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