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cbor-sync through 1.0.4 Memory Exhaustion via Unchecked CBOR Array Lengths

Type: advisorySource: Official CVE List1 source record

cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory.

Announced Group revision 1
Original source ↗

CVE-2020-37280

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2020-37280

cbor-sync

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/PelionIoT/cbor-sync",
    "vendor": "PelionIoT",
    "product": "cbor-sync",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "1.0.4"
      }
    ],
    "packageURL": "pkg:npm/cbor-sync",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2020-37280

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#20443 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement