SGI IRIX up to 6.3 Indigo Magic System Tour/Systour Local Privilege Escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in SGI IRIX up to 6.3. Affected is an unknown function of the component Indigo Magic System Tour/Systour. This manipulation causes Local Privilege Escalation. This vulnerability is handled as CVE-1999-1384. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in SGI IRIX up to 6.3 (Operating System). Affected by this vulnerability is some unknown functionality of the component Indigo Magic System Tour/Systour. The manipulation with an unknown input leads to a local privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Indigo Magic System Tour in the SGI system tour package (systour) for IRIX 5.x through 6.3 allows local users to gain root privileges via a Trojan horse .exitops program, which is called by the inst command that is executed by the RemoveSystemTour program.

The weakness was released 10/30/1996 by Tun-Hui Hu as confirmed posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-1384. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 6.4 or 6.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7456), Exploit-DB (19356) and SecurityFocus (BID 470†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IRIX 6.4/6.5

Timelineinfo

10/30/1996 🔍
10/30/1996 +0 days 🔍
10/30/1996 +0 days 🔍
06/17/2014 +6439 days 🔍
04/16/2026 +4321 days 🔍

Sourcesinfo

Vendor: sgi.com

Advisory: marc.theaimsgroup.com
Researcher: Tun-Hui Hu
Status: Confirmed

CVE: CVE-1999-1384 (🔍)
GCVE (CVE): GCVE-0-1999-1384
GCVE (VulDB): GCVE-100-13771
X-Force: 7456
SecurityFocus: 470 - IRIX Systour and OutOfBox Vulnerabilities

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

Entryinfo

Created: 06/17/2014 17:36
Updated: 04/16/2026 11:10
Changes: 06/17/2014 17:36 (48), 05/18/2018 09:23 (6), 08/30/2024 10:36 (25), 10/20/2024 17:44 (1), 04/16/2026 11:10 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!