FreeBSD 3.3 seyon -emulator privileges management

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FreeBSD 3.3. Impacted is an unknown function of the component seyon. Such manipulation of the argument -emulator leads to privileges management. This vulnerability is traded as CVE-1999-0821. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD 3.3 (Operating System) and classified as problematic. Affected by this issue is some unknown functionality of the component seyon. The manipulation of the argument -emulator with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

FreeBSD seyon allows local users to gain privileges by providing a malicious program in the -emulator argument.

The weakness was shared 11/08/1999 by Brock Tellier (FIRST) (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-1999-0821. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

A public exploit has been developed by teleh0r and been published 4 weeks after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3720), Exploit-DB (252), SecurityFocus (BID 838†) and OSVDB (6001†). The entry VDB-15012 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: teleh0r
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: 🔍
Exploit Delay Time: 🔍

Timelineinfo

11/08/1999 🔍
11/08/1999 +0 days 🔍
11/30/1999 +22 days 🔍
12/01/1999 +1 days 🔍
01/15/2001 +411 days 🔍
04/09/2004 +1179 days 🔍
06/22/2014 +3726 days 🔍
07/27/2024 +3688 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: securityfocus.com⛔
Researcher: Brock Tellier (FIRST)
Status: Confirmed

CVE: CVE-1999-0821 (🔍)
GCVE (CVE): GCVE-0-1999-0821
GCVE (VulDB): GCVE-100-14954
X-Force: 3720
SecurityFocus: 838 - FreeBSD Seyon setgid dialer Vulnerability
OSVDB: 6001 - FreeBSD seyon -emulator Argument Arbitrary Program Execution Local Privilege Escalation

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

Entryinfo

Created: 06/22/2014 14:38
Updated: 07/27/2024 21:31
Changes: 06/22/2014 14:38 (51), 05/21/2018 10:16 (16), 07/27/2024 21:31 (16)
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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