CVE-2023-39914 BER/CER/DER decoder panics on invalid input

2023-09-1314:17:49

CWE-228

NLnet Labs

www.cve.org

nlnet labs

bcder library

invalid input

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.0005 Low

EPSS

Percentile

17.0%

JSON

NLnet Labs’ bcder library up to and including version 0.7.2 panics while decoding certain invalid input data rather than rejecting the data with an error. This can affect both the actual decoding stage as well as accessing content of types that utilized delayed decoding.

CNA Affected

[
  {
    "vendor": "NLnet Labs",
    "product": "bcder",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThan": "0.7.3",
        "versionType": "semver"
      },
      {
        "version": "0.7.3",
        "status": "unaffected",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]