VDB-16330 · CVE-2000-1174 · XFDB 5557

Gerald Combs Ethereal 0.8.13 AFS ACL Parser Username memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Gerald Combs Ethereal 0.8.13. It has been declared as critical. The affected element is an unknown function of the component AFS ACL Parser. Executing a manipulation of the argument Username can lead to memory corruption. This vulnerability is registered as CVE-2000-1174. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Gerald Combs Ethereal 0.8.13 (Packet Analyzer Software) and classified as critical. This vulnerability affects some unknown processing of the component AFS ACL Parser. The manipulation of the argument Username with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflows in AFS ACL parser for Ethereal 0.8.13 and earlier allows remote attackers to execute arbitrary commands via a packet with a long username.

The weakness was published 01/09/2001 with FreeBSD Team (Website). The advisory is available at archives.neohapsis.com. This vulnerability was named CVE-2000-1174. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5557), Exploit-DB (20414) and SecurityFocus (BID 1972†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Packet Analyzer Software

Vendor

Gerald Combs

Name

Ethereal

Version

0.8.13

License

open-source

Support

end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2000 🔍
01/09/2001 +52 days 🔍
01/09/2001 +0 days 🔍
07/02/2014 +4922 days 🔍
01/27/2025 +3862 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Organization: FreeBSD Team
Status: Confirmed

CVE: CVE-2000-1174 (🔍)
GCVE (CVE): GCVE-0-2000-1174
GCVE (VulDB): GCVE-100-16330
X-Force: 5557 - Ethereal has a buffer overflow in AFS packet parsing
SecurityFocus: 1972 - Ethereal AFS Buffer Overflow Vulnerability

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

Entryinfo

Created: 07/02/2014 17:36
Updated: 01/27/2025 13:45
Changes: 07/02/2014 17:36 (53), 05/29/2018 09:17 (7), 01/27/2025 13:45 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.