SCO Unix Temporary Folder Installer privileges management

CVSS Meta Temp Score
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CTI Interest Score
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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 privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. 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 ( The advisory is shared for download at 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.

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 13661 is related to this item.


  • SCO OpenDesktop
  • SCO Unix 3.2





CPE 2.3infoedit

CPE 2.2infoedit


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

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
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Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
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Recommended: no mitigation known
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09/01/1993 🔍
09/17/1993 +16 days 🔍
09/17/1993 +0 days 🔍
03/24/2011 +6397 days 🔍
04/03/2014 +1106 days 🔍
06/17/2014 +75 days 🔍
03/19/2017 +1006 days 🔍



Advisory: CA-1993-13
Status: Confirmed

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

See also: 🔍


Created: 06/17/2014 12:48 PM
Updated: 03/19/2017 08:41 PM
Changes: (6) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
Complete: 🔍


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