Vulnerability Name:

CVE-2001-1585 (CCN-6084)

Assigned:2001-02-08
Published:2001-02-08
Updated:2017-07-29
Summary:SSH protocol 2 (aka SSH-2) public key authentication in the development snapshot of OpenSSH 2.3.1, available from 2001-01-18 through 2001-02-08, does not perform a challenge-response step to ensure that the client has the proper private key, which allows remote attackers to bypass authentication as other users by supplying a public key from that user's authorized_keys file.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: BUGTRAQ
Type: UNKNOWN
20010208 Authentication By-Pass Vulnerability in OpenSSH-2.3.1 (devel snapshot)

Source: MITRE
Type: CNA
CVE-2001-1585

Source: BID
Type: Patch
2356

Source: CCN
Type: OpenBSD Security Advisory
Authentication By-Pass Vulnerability in OpenSSH-2.3.1

Source: CONFIRM
Type: Patch
http://www.openbsd.org/advisories/ssh_bypass.txt

Source: CCN
Type: OpenSSH Web site
*NEW*OpenSSH 2.3.0 released Nov 6, 2000.

Source: CCN
Type: OSVDB ID: 504
OpenSSH SSHv2 Public Key Authentication Bypass

Source: CCN
Type: BID-2356
OpenSSH Private Key Authentication Check Vulnerability

Source: XF
Type: UNKNOWN
openssh-bypass-authentication(6084)

Source: XF
Type: UNKNOWN
openssh-bypass-authentication(6084)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openbsd:openssh:2.3.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:openbsd:openssh:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    openbsd openssh 2.3.1
    openbsd openssh *