Security readout for executives and security teams
A memory-handling flaw in an old version of the LBNL traceroute utility (1.4a5 and earlier) let a logged-in user on a Linux system elevate their access, potentially taking full control of that machine. Multiple Linux vendors shipped fixes in late 2000. The risk is limited to legacy systems still running the unpatched traceroute binary with elevated permissions. Exposure is limited to Unix/Linux hosts still running the LBNL traceroute 1.4a5 or earlier binary with setuid privileges. Modern distributions replaced or patched this utility over two decades ago, so exposure today is confined to unmaintained legacy systems, embedded appliances, or archival images that were never updated. Low priority for modern estates; treat as a hygiene check. Elevate priority only if legacy Unix/Linux hosts, embedded devices, or long-lived appliances are still in production without receiving patches from the last two decades. Mitigation focus: Upgrade to a vendor-patched traceroute package per Red Hat, Debian, Mandrake, Conectiva, Caldera, or Turbolinux advisories.; Remove the setuid bit from the traceroute binary if a patched version is not available.; Restrict local shell access to trusted administrators on affected legacy hosts..
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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ATT&CK lookup starting points
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CVE-2000-0949 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
- traceroute-heap-overflow(5311)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.