LBL tcpdump 3.4/3.4a6/3.5/3.5 Alpha memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in LBL tcpdump 3.4/3.4a6/3.5/3.5 Alpha and classified as critical. This impacts an unknown function. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2000-1026. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in LBL tcpdump 3.4/3.4a6/3.5/3.5 Alpha (Packet Analyzer Software). This affects an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.

The bug was discovered 10/31/2000. The weakness was disclosed 12/11/2000 by FIRST (Website). It is possible to read the advisory at ftp.FreeBSD.org. This vulnerability is uniquely identified as CVE-2000-1026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 41 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5480), Exploit-DB (20337), SecurityFocus (BID 1870†), OSVDB (1624†) and Vulnerability Center (SBV-21842†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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: 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: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

10/31/2000 🔍
10/31/2000 +0 days 🔍
10/31/2000 +0 days 🔍
12/11/2000 +41 days 🔍
12/11/2000 +0 days 🔍
05/04/2009 +3066 days 🔍
06/30/2014 +1883 days 🔍
01/30/2025 +3867 days 🔍

Sourcesinfo

Advisory: ftp.FreeBSD.org
Researcher: FIRST
Status: Confirmed

CVE: CVE-2000-1026 (🔍)
GCVE (CVE): GCVE-0-2000-1026
GCVE (VulDB): GCVE-100-16047
X-Force: 5480
SecurityFocus: 1870 - tcpdump AFS ACL Packet Buffer Overflow Vulnerability
OSVDB: 1624 - tcpdump - AFS ACL Packet Buffer Overflow Vulnerabili
Vulnerability Center: 21842 - LBNL FreeBSD Packet Buffer Overflow Remote Arbitrary Commands Execution Vulnerability, Critical

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

Entryinfo

Created: 06/30/2014 16:58
Updated: 01/30/2025 02:25
Changes: 06/30/2014 16:58 (65), 09/02/2019 16:09 (3), 01/30/2025 02:25 (18)
Complete: 🔍
Cache ID: 216::103

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