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CVE Record

CVE-1999-1385: Buffer overflow in ppp program in FreeBSD 2.1 and earlier allows local users to gain privileges via a long...

Buffer overflow in ppp program in FreeBSD 2.1 and earlier allows local users to gain privileges via a long HOME environment variable.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-1999-1385 is an old local privilege-escalation issue in the FreeBSD ppp program. On FreeBSD 2.1 and earlier, a local user could potentially gain higher privileges by setting an overly long HOME environment variable. This matters mainly for organizations still running very old FreeBSD systems.

Executive priority

Prioritize if legacy FreeBSD systems remain in operation, especially shared or multi-user hosts. If no FreeBSD 2.1 or earlier systems exist, business urgency is low.

Technical view

The CVE describes a buffer overflow in FreeBSD 2.1 and earlier ppp, triggered through a long HOME environment variable. The available sources do not provide CVSS, CWE, advisory details, patch identifiers, or affected package versions beyond the CVE description.

Likely exposure

Exposure is likely limited to legacy FreeBSD 2.1 or earlier systems where the ppp program is present and accessible to local users. Modern systems are not identified as affected in the provided sources.

Exploitation context

The issue requires local user access. The provided sources do not show active exploitation, public exploit availability, or CISA KEV listing. Treat exploitation status as unconfirmed.

Researcher notes

Source data is sparse. The CVE record identifies the vulnerable component, platform range, and local HOME variable trigger, but lacks scoring, advisories, fix references, and detailed version metadata.

Mitigation direction

  • Identify any FreeBSD 2.1 or earlier systems still in use.
  • Check FreeBSD or vendor archival guidance for the ppp issue.
  • Retire or isolate unsupported legacy FreeBSD hosts.
  • Restrict local user access on affected systems where retirement is delayed.

Validation and detection

  • Inventory FreeBSD versions across production and legacy environments.
  • Confirm whether ppp exists on any FreeBSD 2.1 or earlier host.
  • Review local user access on any potentially affected systems.
  • Check vendor archives for historical remediation details.
Prepared
Confidence
medium
Sources
2

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-1999-1385 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.