GLSA-200512-13 : Dropbear: Privilege escalation

This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200512-13
(Dropbear: Privilege escalation)

Under certain conditions Dropbear could fail to allocate a
sufficient amount of memory, possibly resulting in a buffer overflow.

Impact :

By sending specially crafted data to the server, authenticated
users could exploit this vulnerability to execute arbitrary code with
the permissions of the SSH server user, which is the root user by
default.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/200512-13

Solution :

All Dropbear users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/dropbear-0.47'

Risk factor :

Medium / CVSS Base Score : 6.5
(CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P)
CVSS Temporal Score : 5.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 20354 (gentoo_GLSA-200512-13.nasl)

Bugtraq ID:

CVE ID: CVE-2005-4178

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