SCO Unix Temporary Folder Installer privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$0-$5k0.00

A vulnerability, which was classified as critical, has been found in SCO Unix (Operating System). Affected by this issue is an unknown function of the component Temporary Folder Installer. 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:

sco unix system v/386 release 3.2 and other sco products installs the home directories (1) /tmp for the dos user and (2) /usr/tmp for the asg user which allows other users to gain access to those accounts since /tmp and /usr/tmp are world-writable.

The weakness was shared 09/17/1993 as CA-1993-13 as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is handled as CVE-1999-1138. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (546) and Vulnerability Center (SBV-30650†). The entry VDB-13661 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • SCO OpenDesktop
  • SCO Unix 3.2

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
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: 🔍

Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/01/1993 🔍
09/17/1993 +16 days 🔍
09/17/1993 +0 days 🔍
03/24/2011 +6397 days 🔍
06/17/2014 +1181 days 🔍
04/03/2025 +3943 days 🔍

Sourcesinfo

Vendor: sco.com

Advisory: CA-1993-13
Status: Confirmed

CVE: CVE-1999-1138 (🔍)
GCVE (CVE): GCVE-0-1999-1138
GCVE (VulDB): GCVE-100-13664
X-Force: 546
Vulnerability Center: 30650 - SCO UNIX System V/386 Release 3.2 Remote Privilege Escalation Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 06/17/2014 12:48 PM
Updated: 04/03/2025 06:11 AM
Changes: 06/17/2014 12:48 PM (52), 03/19/2017 08:41 PM (6), 04/03/2025 06:11 AM (16)
Complete: 🔍
Cache ID: 18:D4B:40

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