Vulnerability Name:

CVE-1999-0063 (CCN-1558)

Assigned:1998-12-22
Published:1998-12-22
Updated:2022-08-17
Summary:Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
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: CCN
Type: AusCERT External Security Bulletin Redistribution ESB-98.197
Cisco Security Issue Update: Update on Cisco IOS 12.0 security bug

Source: CCN
Type: BugTraq Mailing List, Mon, 21 Dec 1998 14:12:26 -0700
Re: Nmap network auditing/exploring tool V. 2.00 released

Source: MITRE
Type: CNA
CVE-1999-0063

Source: CCN
Type: CIAC Information Bulletin J-023
Cisco IOS Syslog Denial-of-Service Vulnerability

Source: CCN
Type: Cisco Systems Field Notice, Monday, January 11, 1999
Cisco IOS Syslog Crash

Source: CCN
Type: OSVDB ID: 1089
Cisco IOS Syslog Invalid UDP Packet DoS

Source: CCN
Type: BID-675
Cisco IOS Syslog Crash

Source: XF
Type: UNKNOWN
cisco-syslog-crash(1558)

Source: MISC
Type: UNKNOWN
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0063

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:12.0(1)w:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xb:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(2)xd:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xe:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:11.3db:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0db:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:11.3aa:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xa3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(2)xc:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:12.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:11.3aa:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:11.3db:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0db:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)w:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xa3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xb:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(1)xe:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(2)xc:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.0(2)xd:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:5874
    V
    Cisco IOS UDP 514 Denial of Service Vulnerability
    2008-09-08
    BACK
    cisco ios 12.0(1)w
    cisco ios 12.0(1)xb
    cisco ios 12.0(2)xd
    cisco ios 12.0t
    cisco ios 12.0(1)xe
    cisco ios 11.3db
    cisco ios 12.0db
    cisco ios 11.3aa
    cisco ios 12.0(1)xa3
    cisco ios 12.0(2)xc
    cisco ios 12.0s
    cisco ios 12.0
    cisco ios 12.0
    cisco ios 12.0s
    cisco ios 12.0t
    cisco ios 11.3aa
    cisco ios 11.3db
    cisco ios 12.0db
    cisco ios 12.0(1)w
    cisco ios 12.0(1)xa3
    cisco ios 12.0(1)xb
    cisco ios 12.0(1)xe
    cisco ios 12.0(2)xc
    cisco ios 12.0(2)xd