SGI IRIX up to 6.4 Login LOOKUP privileges management

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in SGI IRIX up to 6.4. This affects an unknown function of the component Login Handler. The manipulation of the argument LOOKUP leads to privileges management. This vulnerability is documented as CVE-1999-0036. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in SGI IRIX up to 6.4 (Operating System) and classified as critical. This issue affects some unknown processing of the component Login Handler. The manipulation of the argument LOOKUP 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. The summary by CVE is:

irix login program with a nonzero lockout parameter allows creation or damage to files.

The issue has been introduced in 09/01/1993. The weakness was released 05/26/1997 by David Hedley as confirmed patch (Website). The advisory is shared at patches.sgi.com. The identification of this vulnerability is CVE-1999-0036. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in ANSI C and been published even before and not after the advisory. The exploit is available at downloads.securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1363 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (557), Exploit-DB (336), SecurityFocus (BID 392†), OSVDB (990†) and Vulnerability Center (SBV-555†). ciac.org is providing further details. Entries connected to this vulnerability are available at VDB-13905 and VDB-13903. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 8.1

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector: 🔍

ADP CISA Base Score: 8.4
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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
Programming Language: 🔍
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: 🔍

Timelineinfo

09/01/1993 🔍
05/24/1997 +1361 days 🔍
05/26/1997 +2 days 🔍
05/26/1997 +0 days 🔍
05/26/1997 +0 days 🔍
05/26/1997 +0 days 🔍
12/29/2002 +2043 days 🔍
02/21/2003 +54 days 🔍
06/18/2014 +4134 days 🔍
04/16/2026 +4320 days 🔍

Sourcesinfo

Vendor: sgi.com

Advisory: patches.sgi.com⛔
Researcher: David Hedley
Status: Confirmed

CVE: CVE-1999-0036 (🔍)
GCVE (CVE): GCVE-0-1999-0036
GCVE (VulDB): GCVE-100-13901
X-Force: 557
SecurityFocus: 392 - IRIX login Vulnerability
OSVDB: 990 - IRIX login Non-zero LOCKOUT Arbitrary File Modification
Vulnerability Center: 555 - IRIX LOCKOUT Function in Login Program Allows File Creation or Corruption, Medium

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

Entryinfo

Created: 06/18/2014 11:05
Updated: 04/16/2026 19:44
Changes: 06/18/2014 11:05 (74), 05/07/2019 12:06 (2), 08/02/2024 00:39 (26), 04/16/2026 19:44 (11)
Complete: 🔍
Cache ID: 216::103

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