Sambar Server 4.3 Hostname memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Sambar Server 4.3. Affected is an unknown function of the component Hostname Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2000-0509. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Sambar Server 4.3 (File Transfer Software) and classified as very critical. Affected by this vulnerability is some unknown functionality of the component Hostname Handler. The manipulation 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. The summary by CVE is:

Buffer overflows in the finger and whois demonstration scripts in Sambar Server 4.3 allow remote attackers to execute arbitrary commands via a long hostname.

The weakness was shared 06/01/2000 by Security Team (DCIST) (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2000-0509. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2025).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 86174 (Sambar Server 4.3 Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4592), SecurityFocus (BID 1287†) and Vulnerability Center (SBV-3616†). Statistical analysis made it clear that VulDB provides the best quality 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: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/30/2000 🔍
06/01/2000 +2 days 🔍
06/01/2000 +0 days 🔍
06/01/2000 +0 days 🔍
01/28/2004 +1336 days 🔍
06/24/2014 +3800 days 🔍
10/14/2025 +4130 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Security Team (DCIST)
Status: Confirmed

CVE: CVE-2000-0509 (🔍)
GCVE (CVE): GCVE-0-2000-0509
GCVE (VulDB): GCVE-100-15619
X-Force: 4592
SecurityFocus: 1287 - Sambar Server 4.3 Buffer Overflow Vulnerability
Vulnerability Center: 3616 - Buffer Overflow in Finger and Whois Demo Scripts in Sambar Server 4.3 Allows Code Execution, High

Entryinfo

Created: 06/24/2014 23:42
Updated: 10/14/2025 02:49
Changes: 06/24/2014 23:42 (56), 05/19/2019 14:54 (4), 10/14/2025 02:49 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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