Dropbear SSH Server Remote Buffer Overflow Vulnerability

BID:15923

CVE-2005-4178 |

Info

Dropbear SSH Server Remote Buffer Overflow Vulnerability

Bugtraq ID: 15923
Class: Boundary Condition Error
CVE: CVE-2005-4178
Remote: Yes
Local: No
Published: Dec 19 2005 12:00AM
Updated: May 09 2006 07:54PM
Credit: Reported by the vendor.
Vulnerable: Gentoo Linux
Dropbear SSH Server 0.47
Dropbear SSH Server 0.46
Dropbear SSH Server 0.45
+ Debian Linux 3.1 sparc
 + Debian Linux 3.1 s/390
 + Debian Linux 3.1 ppc
 + Debian Linux 3.1 mipsel
 + Debian Linux 3.1 mips
 + Debian Linux 3.1 m68k
 + Debian Linux 3.1 ia-64
 + Debian Linux 3.1 ia-32
 + Debian Linux 3.1 hppa
 + Debian Linux 3.1 arm
 + Debian Linux 3.1 amd64
 + Debian Linux 3.1 alpha
 + Debian Linux 3.1
Dropbear SSH Server 0.44
Dropbear SSH Server 0.43
Dropbear SSH Server 0.42
Dropbear SSH Server 0.41
Dropbear SSH Server 0.40
Not Vulnerable: Dropbear SSH Server 0.47

Discussion

Dropbear SSH Server Remote Buffer Overflow Vulnerability

Dropbear SSH Server is prone to a remote buffer-overflow vulnerability.

Specifically, the vulnerability presents itself when the application handles excessive string data supplied by an authenticated user.

A successful attack may facilitate arbitrary code execution. Exploitation of this vulnerability may allow an attacker to gain superuser access to the computer.

Dropbear SSH Server versions prior to 0.47 are affected.

Exploit / POC

Dropbear SSH Server Remote Buffer Overflow Vulnerability


Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected]

Solution / Fix

Dropbear SSH Server Remote Buffer Overflow Vulnerability

Solution:

The vendor has released Dropbear 0.47 to address this issue. Please see the referenced advisories for more information.


Dropbear SSH Server 0.40

Dropbear SSH Server 0.41

Dropbear SSH Server 0.42

Dropbear SSH Server 0.43

Dropbear SSH Server 0.44

Dropbear SSH Server 0.45

Dropbear SSH Server 0.46

References

Dropbear SSH Server Remote Buffer Overflow Vulnerability

References:

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