CVE-2001-0361: Medium severity OpenBSD OpenSSH vulnerability

Published Jun 27, 2001
·
Updated

Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version 1.2.31, in certain configurations, allow a remote attacker to decrypt and/or alter traffic via a "Bleichenbacher attack" on PKCS#1 version 1.5.

Affected Software

4 affected components
OpenBSD OpenSSH=1.2.3
OpenBSD OpenSSH=2.1
OpenBSD OpenSSH=2.1.1
SSH ssh<=1.2.31

Remediation

Event History

Jun 27, 2001
CVE Published
04:00 AM
Sep 18, 2001
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2001-0361?

CVE-2001-0361 is classified as a medium severity vulnerability due to its potential to allow decryption and alteration of SSH traffic.

2

How do I fix CVE-2001-0361?

To fix CVE-2001-0361, upgrade OpenSSH to version 2.3.1 or newer, or ensure your SSH implementation does not use vulnerable configurations.

3

What systems are affected by CVE-2001-0361?

CVE-2001-0361 affects OpenSSH versions up to 2.3.0, as well as SSH version 1.5 implementations up to 1.2.31.

4

Can CVE-2001-0361 be exploited remotely?

Yes, CVE-2001-0361 can be exploited remotely, allowing attackers to decrypt and alter traffic.

5

What attack method is used in CVE-2001-0361?

CVE-2001-0361 utilizes a Bleichenbacher attack on PKCS#1 version 1.5 to compromise SSH communications.

Contact

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