Vulnerability Name:

CVE-2001-1459 (CCN-6757)

Assigned:2001-06-19
Published:2001-06-19
Updated:2017-07-11
Summary:OpenSSH 2.9 and earlier does not initiate a Pluggable Authentication Module (PAM) session if commands are executed with no pty, which allows local users to bypass resource limits (rlimits) set in pam.d.
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:7.5 High (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
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-Other
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: BugTraq Mailing List, Mon Jun 18 2001 - 20:11:02 CDT
pam session

Source: MITRE
Type: CNA
CVE-2001-1459

Source: BUGTRAQ
Type: UNKNOWN
20010619 pam session

Source: DEBIAN
Type: DSA-025
openssh -- Missing PAM support

Source: CCN
Type: US-CERT VU#797027
OpenSSH does not initialize PAM session thereby allowing PAM restrictions to be bypassed

Source: CERT-VN
Type: Third Party Advisory, US Government Resource
VU#797027

Source: CCN
Type: OSVDB ID: 18236
OpenSSH no pty Command Execution Local PAM Restriction Bypass

Source: BID
Type: Vendor Advisory
2917

Source: CCN
Type: BID-2917
OpenSSH PAM Session Evasion Vulnerability

Source: CCN
Type: BID-292
Solaris aspppd Insecure Temporary File Creation Vulnerability

Source: XF
Type: UNKNOWN
openssh-rsh-bypass-pam(6757)

Source: XF
Type: UNKNOWN
openssh-rsh-bypass-pam(6757)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openbsd:openssh:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.1.1:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.2:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.3:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.1:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.2:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.9:-:*:*:*:*:*:*

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

  • * Denotes that component is vulnerable
    BACK
    openbsd openssh 2.1
    openbsd openssh 2.1.1
    openbsd openssh 2.2
    openbsd openssh 2.3
    openbsd openssh 2.5
    openbsd openssh 2.5.1
    openbsd openssh 2.5.2
    openbsd openssh 2.9
    openbsd openssh *