CVE-2006-0883: Medium severity OpenBSD OpenSSH vulnerability

Published Mar 7, 2006
·
Updated

OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.

Affected Software

9 affected components
OpenBSD OpenSSH=3.8.1p1
FreeBSD FreeBSD=5.3
FreeBSD FreeBSD=5.3-release
FreeBSD FreeBSD=5.3-releng
FreeBSD FreeBSD=5.3-stable
FreeBSD FreeBSD=5.4-pre-release
FreeBSD FreeBSD=5.4-release
FreeBSD FreeBSD=5.4-releng
FreeBSD FreeBSD=5.4-stable

Event History

Mar 7, 2006
CVE Published
02:02 AM
CVE Published
via MITRE·07:00 AM
Data Sourced
via MITRE·07:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2006-0883?

CVE-2006-0883 is classified as a denial of service vulnerability.

2

How do I fix CVE-2006-0883?

To mitigate CVE-2006-0883, update OpenSSH to a patched version that resolves this issue.

3

Which versions are affected by CVE-2006-0883?

CVE-2006-0883 specifically affects OpenSSH on FreeBSD 5.3 and 5.4 when used with OpenPAM.

4

What type of attack does CVE-2006-0883 facilitate?

CVE-2006-0883 allows remote attackers to execute a denial of service attack by causing connection refusals on the SSH server.

5

Is there a known exploit for CVE-2006-0883?

Yes, attackers can exploit CVE-2006-0883 by repeatedly connecting to the vulnerable SSH server during PAM authentication.

Contact

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