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CVE Record

CVE-2018-8769: elfutils 0.170 has a buffer over-read in the ebl_dynamic_tag_name function of libebl/ebldynamictagname.c be...

elfutils 0.170 has a buffer over-read in the ebl_dynamic_tag_name function of libebl/ebldynamictagname.c because SYMTAB_SHNDX is unsupported.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-8769 is a reported buffer over-read in elfutils 0.170. It matters most where systems automatically inspect ELF binaries, such as build, packaging, or analysis pipelines. The source bundle does not provide severity, CVSS, confirmed exploitation, or patch details.

Executive priority

Treat this as a targeted hygiene issue unless elfutils 0.170 processes untrusted binaries in automated workflows. Prioritize build, packaging, security-analysis, and file-upload environments first. Evidence is insufficient to justify emergency response from the supplied sources alone.

Technical view

The issue is in libebl/ebldynamictagname.c, specifically ebl_dynamic_tag_name. The CVE description says elfutils 0.170 can over-read a buffer because SYMTAB_SHNDX is unsupported. Impact details beyond the over-read are not provided in the supplied sources.

Likely exposure

Exposure is most plausible on systems using elfutils or libebl 0.170 to parse ELF files. Risk increases if those systems process binaries supplied by users, customers, vendors, CI jobs, or malware-analysis feeds.

Exploitation context

The source bundle does not show CISA KEV listing or any cited active exploitation evidence. The available public description supports a parsing flaw, but not real-world exploitation, exploit availability, privilege impact, or denial-of-service impact.

Researcher notes

The record is sparse: no CVSS, CWE, CPEs, exploit evidence, or fix version is included. Analysis should stay anchored to the named function, elfutils 0.170, and the Sourceware bug reference. Avoid expanding affected scope without vendor confirmation.

Mitigation direction

  • Inventory elfutils and libebl versions across hosts, containers, and build images.
  • Check official vendor or Linux distribution advisories for fixed elfutils packages.
  • Update elfutils where a trusted vendor fix is available.
  • Limit automated ELF parsing of untrusted files until vendor guidance is confirmed.
  • Isolate binary-analysis workloads that must handle untrusted ELF files.

Validation and detection

  • Confirm whether elfutils 0.170 is present in package inventories or SBOMs.
  • Identify services, CI jobs, and tooling that call elfutils against external binaries.
  • Review vendor advisory status before declaring remediation complete.
  • Verify updated packages replace vulnerable elfutils builds where applicable.
Prepared
Confidence
medium
Sources
3

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

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.

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CVE-2018-8769 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
2Source 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.