Vulnerability Name:

CVE-2000-0486 (CCN-4985)

Assigned:2000-05-30
Published:2000-05-30
Updated:2017-10-10
Summary:Buffer overflow in Cisco TACACS+ tac_plus server allows remote attackers to cause a denial of service via a malformed packet with a long length field.
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-Other
Vulnerability Consequences:Denial of Service
References:Source: BUGTRAQ
Type: Patch, Vendor Advisory
20000530 An Analysis of the TACACS+ Protocol and its Implementations

Source: CCN
Type: BugTraq Mailing List, Tue May 30 2000 - 05:59:11 CDT
An Analysis of the TACACS+ Protocol and its Implementations

Source: CCN
Type: BugTraq Mailing List, Tue May 30 2000 - 06:16:55 CDT
Re: An Analysis of the TACACS+ Protocol and its Implementations

Source: CONFIRM
Type: UNKNOWN
http://archives.neohapsis.com/archives/bugtraq/2000-05/0370.html

Source: MITRE
Type: CNA
CVE-2000-0486

Source: CCN
Type: Openwall Security Advisory OW-001-tac_plus
An Analysis of the TACACS+ Protocol and its Implementations

Source: CCN
Type: OSVDB ID: 1373
Cisco TACACS+ tac_plus Server Malformed Packet Memory Exhaustion DoS

Source: BID
Type: UNKNOWN
1293

Source: CCN
Type: BID-1293
TACACS+ Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
tacacsplus-packet-length-dos(4985)

Source: XF
Type: UNKNOWN
tacacsplus-packet-length-dos(4985)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:*:*:*:*:*:*:*:*
  • AND
  • cpe:/a:cisco:tacacs+:f4.0.2alpha:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:tacacs+:f4.0.3alpha:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:*:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:tacacs+:f4.0.3alpha:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:tacacs+:f4.0.2alpha:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios *
    cisco tacacs+ f4.0.2alpha
    cisco tacacs+ f4.0.3alpha
    cisco ios *
    cisco tacacs+ f4.0.3alpha
    cisco tacacs+ f4.0.2alpha