VDB-14448 · CVE-1999-0063 · cisco-sa-19990111

Cisco IOS up to 12.0.2 Syslog UDP Packet denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco IOS up to 12.0.2. Impacted is an unknown function of the component Syslog. The manipulation as part of UDP Packet results in denial of service. This vulnerability was named CVE-1999-0063. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS up to 12.0.2 (Router Operating System). Affected is an unknown function of the component Syslog. The manipulation as part of a UDP Packet leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.

The weakness was presented 01/11/1999 by Olaf Selke as cisco-sa-19990111 as confirmed advisory (Website). This vulnerability is traded as CVE-1999-0063. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 48946 (Cisco IOS Syslog Crash - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

Upgrading eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting Disable Syslog.It is possible to mitigate the weakness by firewalling udp/514 (syslog). The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (1558), Exploit-DB (19531), Tenable (48946), SecurityFocus (BID 675†) and Vulnerability Center (SBV-571†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 48946
Nessus Name: Cisco IOS Syslog Crash - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Config: Disable Syslog
Firewalling: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍

Timelineinfo

01/11/1999 🔍
01/11/1999 +0 days 🔍
01/11/1999 +0 days 🔍
01/11/1999 +0 days 🔍
12/30/2002 +1449 days 🔍
09/01/2010 +2802 days 🔍
06/20/2014 +1388 days 🔍
08/13/2024 +3706 days 🔍

Sourcesinfo

Vendor: cisco.com

Researcher: Olaf Selke
Status: Confirmed

CVE: CVE-1999-0063 (🔍)
GCVE (CVE): GCVE-0-1999-0063
GCVE (VulDB): GCVE-100-14448

OVAL: 🔍

X-Force: 1558
SecurityFocus: 675 - Cisco IOS Syslog Crash
Vulnerability Center: 571 - [cisco-sa-19990111-ios-syslog] DoS in Cisco IOS via Malicious UDP Packets to Syslog Port, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2014 12:52
Updated: 08/13/2024 00:05
Changes: 06/20/2014 12:52 (72), 05/07/2019 14:33 (3), 08/13/2024 00:05 (25)
Complete: 🔍
Cache ID: 216::103

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