tcpdump/Ethereal DNS Decoder infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in tcpdump and Ethereal. Affected by this vulnerability is an unknown functionality of the component DNS Decoder. Executing a manipulation can lead to infinite loop. The identification of this vulnerability is CVE-2000-0333. The attack may be launched remotely. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in tcpdump and Ethereal (Packet Analyzer Software) (affected version not known) and classified as problematic. This vulnerability affects some unknown functionality of the component DNS Decoder. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. CVE summarizes:

tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of service via malformed DNS packets in which a jump offset refers to itself, which causes tcpdump to enter an infinite loop while decompressing the packet.

The weakness was shared 05/31/1999 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2000-0333. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (19891) and SecurityFocus (BID 1165†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / 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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/31/1999 🔍
05/31/1999 +0 days 🔍
05/31/1999 +0 days 🔍
06/20/2014 +5499 days 🔍
12/12/2024 +3828 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: securityfocus.com
Status: Confirmed

CVE: CVE-2000-0333 (🔍)
GCVE (CVE): GCVE-0-2000-0333
GCVE (VulDB): GCVE-100-14674
SecurityFocus: 1165 - Multiple Sniffer Vendor DNS Decode Vulnerability

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

Entryinfo

Created: 06/21/2014 00:40
Updated: 12/12/2024 20:04
Changes: 06/21/2014 00:40 (51), 12/12/2024 20:04 (19)
Complete: 🔍
Cache ID: 216::103

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

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