Security readout for executives and security teams
Plain-English summary
CVE-2002-0239 is an old local buffer overflow in hanterm 3.3.1 and earlier. A user with local access could abuse overly long font-related command-line arguments to run arbitrary code. Business urgency is mainly for legacy Unix/Linux environments still carrying hanterm.
Executive priority
Treat as a targeted legacy exposure, not a broad internet-facing emergency. Prioritize confirmation in older Unix/Linux estates, shared servers, and environments with untrusted local users.
Technical view
The CVE describes a buffer overflow in hanterm 3.3.1 and earlier involving long strings passed to -fn, -hfb, or -hfn. The reported impact is local arbitrary code execution. The provided sources do not include CVSS, CWE, vendor advisory, patch details, or affected package mappings.
Likely exposure
Exposure is likely limited to systems where hanterm 3.3.1 or older is installed and accessible to local users. Modern environments are unlikely to be affected unless they retain legacy Korean terminal packages.
Exploitation context
The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Exploitation requires local ability to run hanterm with crafted arguments, based on the CVE description.
Researcher notes
Evidence is sparse: the CVE record provides the vulnerability description, but no scoring, patch reference, advisory, or exploit-status detail. Avoid assuming distribution-specific impact without package evidence.
Mitigation direction
- Inventory systems for hanterm installations and recorded package versions.
- Remove hanterm where it is not required.
- If required, check operating system or vendor guidance for a fixed package.
- Restrict local interactive access on legacy systems until exposure is resolved.
Validation and detection
- Search software inventory for hanterm packages or binaries.
- Confirm whether installed versions are 3.3.1 or earlier.
- Review package manager metadata for vendor backport or replacement status.
- Document any systems where local users can execute hanterm.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2002-0239 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
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.