Security readout for executives and security teams
Plain-English summary
CVE-1999-1143 is an old local privilege-escalation issue in SGI IRIX. A user with access to an affected system could gain higher privileges through setuid or setgid programs using the runtime linker rld. This matters mainly for organizations still operating legacy IRIX systems.
Executive priority
Treat as a legacy-platform risk. Prioritize if SGI IRIX systems remain in production, especially shared or multi-user hosts. If no IRIX assets exist, no action is likely needed beyond documentation.
Technical view
The CVE describes a vulnerability in the SGI IRIX runtime linker program rld in IRIX 6.x and earlier. The reported impact is local privilege escalation via setuid and setgid programs. The available sources do not provide CVSS, CWE, patch details, or technical root-cause specifics.
Likely exposure
Exposure is likely limited to legacy SGI IRIX 6.x or earlier systems where local users can access setuid or setgid programs. Modern non-IRIX environments are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The vulnerability requires local access, so risk is highest where untrusted users, shared accounts, or weak access controls exist on legacy IRIX hosts.
Researcher notes
Public detail is sparse. The CVE and IBM X-Force reference identify rld, IRIX 6.x and earlier, local users, and setuid/setgid privilege escalation. No exploit status, CVSS score, affected CPEs, or remediation version is provided in the supplied sources.
Mitigation direction
- Inventory SGI IRIX systems and confirm whether versions are 6.x or earlier.
- Restrict local shell access to trusted administrators only.
- Review and minimize setuid and setgid programs on affected hosts.
- Check archived SGI or IBM X-Force guidance for vendor-specific fixes.
- Plan migration or isolation for any remaining IRIX systems.
Validation and detection
- Identify hosts running SGI IRIX and record exact OS versions.
- Review file permissions for setuid and setgid binaries.
- Confirm whether local non-administrative users have accounts on those systems.
- Check change records for any vendor advisory or historical patch application.
- Monitor legacy hosts for unexpected privilege changes or administrator account use.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-1999-1143 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- sgi-rld(2109)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.