Vulnerability Name:

CVE-2001-1382 (CCN-9803)

Assigned:2001-09-27
Published:2001-09-27
Updated:2008-09-05
Summary:The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
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): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2001-1382

Source: CCN
Type: OpenSSH Web site
OpenSSH

Source: CCN
Type: Openwall Web site
Owl: CHANGES (stable branch)

Source: CONFIRM
Type: Vendor Advisory
http://www.openwall.com/Owl/CHANGES-stable.shtml

Source: OSVDB
Type: UNKNOWN
5408

Source: CCN
Type: OSVDB ID: 5408
OpenSSH echo simulation Information Disclosure

Source: XF
Type: UNKNOWN
openssh-echo-simulation-detection(9803)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openbsd:openssh:*:*:*:*:*:*:*:* (Version <= 2.9.9p2)

  • Configuration CCN 1:
  • cpe:/a:openbsd:openssh:2.1.1:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.2:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.1:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.9:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.2:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.3:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.9.9:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:1.2.2:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:1.2.3:-:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:1.2:*:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.1.1:p4:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.2.0:p1:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.3.0:p1:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.1:p1:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.1:p2:*:*:*:*:*:*
  • OR cpe:/a:openbsd:openssh:2.5.2:p2:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    openbsd openssh *
    openbsd openssh 2.1.1
    openbsd openssh 2.5.2
    openbsd openssh 2.5
    openbsd openssh 2.5.1
    openbsd openssh 2.9
    openbsd openssh 2.1
    openbsd openssh 2.2
    openbsd openssh 2.3
    openbsd openssh 2.9.9
    openbsd openssh 1.2.2
    openbsd openssh 1.2.3
    openbsd openssh 1.2.27
    openbsd openssh 1.2.1
    openbsd openssh 1.2
    openbsd openssh 2.1.1 p4
    openbsd openssh 2.2.0 p1
    openbsd openssh 2.3.0 p1
    openbsd openssh 2.5.1 p1
    openbsd openssh 2.5.1 p2
    openbsd openssh 2.5.2 p2