Vulnerability Name:

CVE-2000-0536 (CCN-4986)

Assigned:2000-06-04
Published:2000-06-04
Updated:2017-10-10
Summary:xinetd 2.1.8.x does not properly restrict connections if hostnames are used for access control and the connecting host does not have a reverse DNS entry.
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: MITRE
Type: CNA
CVE-2000-0536

Source: DEBIAN
Type: UNKNOWN
20000619 xinetd: bug in access control mechanism

Source: CCN
Type: OSVDB ID: 1417
xinetd Connection Filtering Via Hostname

Source: BID
Type: Exploit, Patch, Vendor Advisory
1381

Source: CCN
Type: BID-1381
xinetd Connection Filtering Via Hostname Vulnerability

Source: CCN
Type: xinetd Web site
xinetd

Source: CONFIRM
Type: Patch, Vendor Advisory
http://www.synack.net/xinetd/

Source: XF
Type: UNKNOWN
xinetd-improper-restrictions(4986)

Source: XF
Type: UNKNOWN
xinetd-improper-restrictions(4986)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xinetd:xinetd:2.1.87:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.88:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.88_pre1:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.88_pre2:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.89_pre1:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.89_pre2:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.89_pre3:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.89_pre4:*:*:*:*:*:*:*
  • OR cpe:/a:xinetd:xinetd:2.1.89_pre5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    xinetd xinetd 2.1.87
    xinetd xinetd 2.1.88
    xinetd xinetd 2.1.88_pre1
    xinetd xinetd 2.1.88_pre2
    xinetd xinetd 2.1.89_pre1
    xinetd xinetd 2.1.89_pre2
    xinetd xinetd 2.1.89_pre3
    xinetd xinetd 2.1.89_pre4
    xinetd xinetd 2.1.89_pre5