Vulnerability Name:

CVE-2000-0547 (CCN-4657)

Assigned:2000-06-09
Published:2000-06-09
Updated:2021-02-02
Summary:Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.
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:N/I:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-120
Vulnerability Consequences:Denial of Service
References:Source: BUGTRAQ
Type: Broken Link
20000609 Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC

Source: CCN
Type: BugTraq Mailing List, Fri Jun 09 2000 - 14:08:59 CDT
Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC

Source: CCN
Type: CIAC Information Bulletin K-051
Denial of Service Vulnerabilities in Kerberos 4 KDC Programs

Source: CIAC
Type: Broken Link
K-051

Source: MITRE
Type: CNA
CVE-2000-0547

Source: CCN
Type: Kerberos Security Advisory
MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC

Source: CONFIRM
Type: Patch, Vendor Advisory
http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt

Source: CCN
Type: CERT Advisory CA-2000-11
MIT Kerberos Vulnerable to Denial-of-Service Attacks

Source: CERT
Type: Third Party Advisory, US Government Resource
CA-2000-11

Source: CCN
Type: OSVDB ID: 4873
MIT Kerberos localrealm Variable Overflow

Source: BID
Type: Third Party Advisory, VDB Entry
1338

Source: CCN
Type: BID-1338
Kerberos4 KDC AUTH_MSG_KDC_REQUEST NULL termination Vulnerability

Source: CCN
Type: BID-1464
Kerberos4 KDC Buffer Overflow Vulnerabilities

Source: XF
Type: UNKNOWN
kerberos-localrealm-bo(4657)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cygnus_network_security_project:cygnus_network_security:-:*:*:*:*:*:*:*
  • OR cpe:/a:kerbnet_project:kerbnet:-:*:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos:*:*:*:*:*:*:*:* (Version < 4.0)
  • OR cpe:/a:mit:kerberos:4.0:-:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos:4.0:patch10:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos_5:*:*:*:*:*:*:*:* (Version >= 1.0 and <= 1.0.7)
  • OR cpe:/a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:mit:kerberos_5:1.0:-:*:*:*:*:*:*
  • AND
  • cpe:/a:cygnus:kerbnet:*:*:*:*:*:*:*:*
  • OR cpe:/a:cygnus:cygnus_network_security:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cygnus_network_security_project cygnus network security -
    kerbnet_project kerbnet -
    mit kerberos *
    mit kerberos 4.0 -
    mit kerberos 4.0 patch10
    mit kerberos 5 *
    mit kerberos 5 1.1
    mit kerberos 5 1.1.1
    mit kerberos 5 1.1
    mit kerberos 5 1.1.1
    mit kerberos 5 1.0 -
    cygnus kerbnet *
    cygnus cygnus network security *