Security readout for executives and security teams
A very old flaw in Sun Solaris let attackers send a specially crafted network request to the quota service and take over the system with full administrator (root) rights. It affected Solaris systems running the rpc.rquotad service and was disclosed in 2000. Any Solaris hosts still in production today would represent significant legacy risk and should be identified, isolated, or retired. Exposure today should be near zero for supported estates; Solaris versions of that era are end-of-life. Residual risk lives in legacy Sun/Solaris systems, industrial or lab environments, or archived VMs still running rpc.rquotad reachable from untrusted networks. Low urgency for modern environments; elevate immediately if any legacy Solaris host is discovered exposed to untrusted networks. Fold into legacy-system retirement planning rather than emergency patching. Mitigation focus: Identify any remaining Solaris hosts and confirm rpc.rquotad is disabled or firewalled.; Apply the Sun/Oracle patches referenced in Security Bulletin 00190 if the host must remain online.; Restrict RPC/portmapper (TCP/UDP 111) and rquotad ports to trusted management networks only..
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
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CVE-1999-0974 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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