Analyst readout for executives and security teams
Plain-English summary
This is a legacy SunOS local privilege escalation issue. If an organization still runs Sun SunOS 4.1 through 4.1.3, insecure permissions on certain files or directories could let a local attacker become root. The business risk is concentrated in old, unsupported systems with local user access.
Executive priority
Treat as high priority only where legacy SunOS systems remain in use. The issue can lead to full system compromise, but it requires local access and affects very old platforms.
Technical view
CVE-1999-1507 describes insecure permissions in Sun SunOS 4.1 through 4.1.3, including files or directories such as crash. The reported impact is local root access. The provided sources do not include CVSS, CWE, detailed vulnerable paths, exploit status, or a named patch.
Likely exposure
Exposure is likely limited to legacy Sun SunOS 4.1 through 4.1.3 systems. Risk is highest on shared systems, systems with shell accounts, or environments where untrusted users can log in locally.
Exploitation context
The source bundle supports local privilege escalation only. It does not support active exploitation, remote exploitation, or known ransomware use. KEV status is false, and no cited source in the bundle reports current exploitation.
Researcher notes
Evidence is sparse and old. The CVE record names SunOS 4.1 through 4.1.3 and describes insecure permissions leading to root access. Avoid assuming modern Solaris impact, exact exploitability, or patch availability without vendor records.
Mitigation direction
- Identify and prioritize any SunOS 4.1 through 4.1.3 hosts.
- Check vendor or legacy Sun guidance for official fixes or advisories.
- Restrict local shell access to trusted administrators only.
- Decommission, isolate, or replace unsupported legacy SunOS systems where feasible.
- Audit permissions against a trusted baseline before returning systems to service.
Validation and detection
- Inventory hosts and confirm SunOS version numbers.
- Review local accounts with login or shell access.
- Inspect sensitive file and directory permissions against vendor baselines.
- Check whether directories such as crash have unsafe write permissions.
- Document compensating controls for systems that cannot be retired.
Public sources used
Based on public source material and reviewed before publication.
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-1999-1507 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
- 59CVE reference · vdb-entry, x_refsource_BID
- CA-1993-03CVE reference · third-party-advisory, x_refsource_CERT
- sun-dir(521)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.