FreeBSD 3.3 seyon Home memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in FreeBSD 3.3 and classified as problematic. The affected element is an unknown function of the component seyon. Performing a manipulation of the argument Home as part of Environment Variable results in memory corruption. This vulnerability is known as CVE-1999-0863. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in FreeBSD 3.3 (Operating System). It has been classified as problematic. This affects an unknown part of the component seyon. The manipulation of the argument HOME as part of a Environment Variable 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:

Buffer overflow in FreeBSD seyon via HOME environmental variable, -emulator argument, -modems argument, or the GUI.

The weakness was published 11/08/1999. This vulnerability is uniquely identified as CVE-1999-0863. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

Similar entry is available at VDB-14954. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/1999 🔍
11/08/1999 +0 days 🔍
06/22/2014 +5340 days 🔍
04/19/2026 +4319 days 🔍

Sourcesinfo

Product: freebsd.org

Status: Confirmed

CVE: CVE-1999-0863 (🔍)
GCVE (CVE): GCVE-0-1999-0863
GCVE (VulDB): GCVE-100-14955
See also: 🔍

Entryinfo

Created: 06/22/2014 14:39
Updated: 04/19/2026 18:00
Changes: 06/22/2014 14:39 (42), 05/21/2018 10:16 (6), 04/19/2026 18:00 (18)
Complete: 🔍
Cache ID: 216::103

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

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