SGI IRIX 4/5.2/5.3 Serial Port Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in SGI IRIX 4/5.2/5.3 (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Serial Port Handler. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

serial_ports administrative program in irix 4.x and 5.x trusts the user s path environmental variable to find and execute the ls program which allows local users to gain root privileges via a trojan horse ls program.

The weakness was disclosed 10/02/1994 by transit as not defined posting (No-More-Secrets). It is possible to read the advisory at This vulnerability is known as CVE-1999-1022. The exploitation appears to be difficult. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 464) and X-Force (2111). The entries 13685 and 13684 are pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.4
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


02/02/1994 🔍
10/02/1994 +242 days 🔍
10/02/1994 +0 days 🔍
06/17/2014 +7198 days 🔍
05/18/2018 +1431 days 🔍



Researcher: transit
Status: Not defined

CVE: CVE-1999-1022 (🔍)
SecurityFocus: 464 - IRIX serial_ports Vulnerability
X-Force: 2111 - IRIX serial_ports administration tool could compromise privileges

See also: 🔍


Created: 06/17/2014 01:25 PM
Updated: 05/18/2018 09:18 AM
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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