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CVE Record

CVE-2019-13103: A crafted self-referential DOS partition table will cause all Das U-Boot versions through 2019.07-rc4 to in...

A crafted self-referential DOS partition table will cause all Das U-Boot versions through 2019.07-rc4 to infinitely recurse, causing the stack to grow infinitely and eventually either crash or overwrite other data.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This flaw can make affected U-Boot-based devices crash or corrupt memory when they process a specially crafted DOS partition table. The business impact is availability: devices may fail during boot or storage handling if exposed to malicious or untrusted media. Published severity data is incomplete, and no active exploitation is cited in the provided sources.

Executive priority

Treat this as a targeted availability risk for embedded fleets, not an internet-scale emergency based on the provided evidence. Prioritize assets where untrusted media, field servicing, or recovery workflows can trigger U-Boot partition parsing, especially industrial devices with high downtime cost.

Technical view

CVE-2019-13103 describes infinite recursion in Das U-Boot versions through 2019.07-rc4 when parsing a self-referential DOS partition table. Stack growth can lead to crash or overwriting other data. The source bundle does not provide CVSS, CWE, CPEs, or a specific fixed release, so product-level exposure requires vendor firmware mapping.

Likely exposure

Exposure is most likely in embedded or industrial devices using affected U-Boot code paths and parsing DOS partition tables from removable media, disk images, recovery media, or field-updatable storage. The bundle names U-Boot broadly and references Siemens advisories, but does not enumerate specific affected products in the CVE data.

Exploitation context

The provided sources do not support active exploitation; KEV is false. Practical exploitation would require the target to process crafted partition metadata. This is primarily a denial-of-service and reliability risk unless a vendor advisory identifies broader impact from memory overwrite behavior.

Researcher notes

Key gaps are CVSS, CWE, affected CPEs, product lists, and explicit fixed-version detail in the bundle. The core flaw is clear from the CVE description, but validation depends on firmware composition and vendor advisories. Avoid assuming Siemens product impact beyond the referenced advisories without reading their product tables.

Mitigation direction

  • Inventory devices and firmware that include Das U-Boot through 2019.07-rc4.
  • Check vendor advisories for product-specific fixed firmware or compensating controls.
  • Update U-Boot or device firmware when vendor-supported fixes are available.
  • Restrict boot and recovery paths from untrusted removable or externally supplied media.
  • Add operational handling rules for suspicious storage media on affected devices.

Validation and detection

  • Map firmware SBOMs or build records to the included U-Boot version.
  • Review boot, recovery, and update flows for DOS partition table parsing.
  • Check Siemens advisories for named product exposure and remediation status.
  • Verify lab devices tolerate malformed partition media without boot failure.
  • Confirm mitigations are documented in operational runbooks.
Prepared
Confidence
medium
Sources
8

Public sources used

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-2019-13103 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
3Timeline events
2ADP providers
7Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
siemens-SADPADP container

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.