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CVE Record

CVE-2020-8036: str2tokbuf used incorrectly by print-someip.c

The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns tcpdump’s SOME/IP parser in a pre-release 4.10.0-PRE-GIT build. The public record says a helper function was used unsafely, but does not state business impact, CVSS, or exploitability. Treat it as a package-hygiene issue unless your environment built that pre-release or analyzes SOME/IP captures.

Executive priority

Handle through normal vulnerability management unless affected pre-release tcpdump builds are confirmed. The record lacks severity and exploitation evidence, but packet-analysis tooling can sit in sensitive operational paths, so ownership and upgrade status should be verified.

Technical view

CVE-2020-8036 identifies unsafe use of tok2strbuf() by tcpdump’s print-someip.c dissector in tcpdump 4.10.0-PRE-GIT. The source bundle names a corrective upstream commit, but provides no CWE, CVSS vector, impact class, or exploit mechanics. Exposure depends on running the affected pre-release code path while decoding SOME/IP traffic or captures.

Likely exposure

Likely limited to systems using tcpdump 4.10.0-PRE-GIT or downstream builds derived from that pre-release. Environments that inspect SOME/IP network traffic or packet captures have the most relevant exposure. Standard packaged tcpdump versions need confirmation against vendor advisories.

Exploitation context

No CISA KEV listing and no source-bundle evidence of active exploitation. The provided sources do not describe a public exploit, attacker prerequisites, or confirmed impact. Do not assume remote code execution or denial of service without vendor detail.

Researcher notes

The public data is sparse: affected version is tcpdump 4.10.0-PRE-GIT, component is print-someip.c, and the reference is an upstream commit. The record does not provide CVSS, CWE, exploit status, or detailed impact. Validation should focus on code provenance and vendor backport evidence.

Mitigation direction

  • Inventory tcpdump versions and identify any 4.10.0-PRE-GIT builds.
  • Move affected builds to a vendor-supported tcpdump release containing the upstream fix.
  • Check OS or appliance vendor advisories for backported tcpdump patches.
  • Limit use of affected builds for SOME/IP capture analysis until remediated.

Validation and detection

  • Confirm tcpdump package version and build provenance on relevant hosts.
  • Review vendor changelogs for inclusion of commit e2256b4f2506102be2c6f7976f84f0d607c53d43.
  • Identify workflows that decode SOME/IP traffic or imported packet captures.
  • Document whether affected pre-release code exists in production or tooling images.
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-2020-8036 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.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
The TCPdump Grouptcpdump4.10.0-PRE-GITListed
Weakness

CWE details

No CWE listed

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