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CVE Record

CVE-2017-8854: wolfSSL before 3.10.2 has an out-of-bounds memory access with loading crafted DH parameters, aka a buffer o...

wolfSSL before 3.10.2 has an out-of-bounds memory access with loading crafted DH parameters, aka a buffer overflow triggered by a malformed temporary DH file.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2017-8854 is a wolfSSL memory-safety flaw fixed in version 3.10.2. A malformed temporary Diffie-Hellman parameter file can trigger out-of-bounds memory access. Business urgency depends on whether your software embeds wolfSSL before 3.10.2 and can load attacker-influenced DH parameters.

Executive priority

Treat this as a targeted dependency validation item, not an organization-wide emergency, unless wolfSSL before 3.10.2 is confirmed in exposed or sensitive systems. The age of the CVE and lack of KEV evidence lower urgency, but embedded copies can persist for years.

Technical view

The public description identifies an out-of-bounds memory access, also described as a buffer overflow, when wolfSSL before 3.10.2 loads crafted DH parameters from a malformed temporary DH file. The bundle provides no CVSS score, CWE, detailed affected CPEs, or root-cause analysis.

Likely exposure

Exposure is limited to systems or products using wolfSSL versions before 3.10.2. The provided affected-product data is incomplete, so organizations must verify direct and bundled wolfSSL use, especially where DH parameter files can be supplied or modified outside trusted build processes.

Exploitation context

CISA KEV status is false in the bundle. The cited sources do not show active exploitation, exploit availability, or real-world incidents. The known trigger is loading crafted DH parameters from a malformed temporary DH file.

Researcher notes

Key gaps are missing CVSS, CWE, affected CPEs, and detailed fix notes in the provided bundle. Do not assume impact beyond wolfSSL before 3.10.2. Focus research on version confirmation, DH parameter loading paths, and whether the component is statically bundled.

Mitigation direction

  • Upgrade wolfSSL deployments older than 3.10.2 to 3.10.2 or later.
  • Check downstream vendor advisories for products that bundle wolfSSL.
  • Prevent untrusted parties from supplying or modifying DH parameter files.
  • Prioritize internet-facing or sensitive systems once wolfSSL exposure is confirmed.

Validation and detection

  • Inventory applications, appliances, firmware, and SBOMs for wolfSSL usage.
  • Confirm the runtime wolfSSL version is 3.10.2 or later.
  • Review whether the application loads temporary DH parameter files.
  • Verify vendor-supplied updates replaced embedded or statically linked wolfSSL copies.
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.

ATT&CK lookup starting points

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CVE-2017-8854 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.