Caldera OpenUnix 8.0 X Server privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Caldera OpenUnix 8.0. It has been declared as problematic. The affected element is an unknown function of the component X Server. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2002-0987. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Caldera OpenUnix 8.0 (Operating System). Affected by this issue is some unknown processing of the component X Server. The manipulation 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:

X server (Xsco) in OpenUNIX 8.0.0 and UnixWare 7.1.1 does not drop privileges before calling programs such as xkbcomp using popen, which could allow local users to gain privileges.

The weakness was shared 08/27/2002 by Olaf Kirch with SuSE.de (Website). The advisory is available at ftp.sco.com. This vulnerability is handled as CVE-2002-0987. 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 are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

After before and not just, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1666 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (9976), Exploit-DB (21758), SecurityFocus (BID 5575†) and OSVDB (5044†). The entry VDB-18795 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Upgrade: OpenUnix 8.0.0

Timelineinfo

02/03/1998 🔍
08/27/2002 +1666 days 🔍
08/27/2002 +0 days 🔍
09/24/2002 +28 days 🔍
04/09/2004 +562 days 🔍
07/23/2014 +3757 days 🔍
02/27/2025 +3872 days 🔍

Sourcesinfo

Advisory: ftp.sco.com
Researcher: Olaf Kirch
Organization: SuSE.de
Status: Confirmed

CVE: CVE-2002-0987 (🔍)
GCVE (CVE): GCVE-0-2002-0987
GCVE (VulDB): GCVE-100-18794
X-Force: 9976
SecurityFocus: 5575
OSVDB: 5044 - OpenUNIX Xsco xkbcomp Unspecified Privilege Escalation

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

Entryinfo

Created: 07/23/2014 11:15
Updated: 02/27/2025 04:52
Changes: 07/23/2014 11:15 (59), 06/08/2018 11:24 (2), 02/27/2025 04:52 (21)
Complete: 🔍
Cache ID: 216:83C:103

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

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