Home/CVE/NLnet Labs' bcder library up to and including version 0.7.2 panics while decoding certain invalid input data rather than
CVE

CVE-2023-39914

NLnet Labs' bcder library up to and including version 0.7.2 panics while decoding certain invalid input data rather than

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.

HIGH · CVSS 7.5 EPSS 0.00244
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-232Improper Handling of Undefined Values
CWE-240Improper Handling of Inconsistent Structural Elements
▤

Affected Products & Versions

1
nlnetlabs bcder< 0.7.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
crates.io bcder HIGH fixed in 0.7.3
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · sep@nlnetlabs.nl
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Sep 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://nlnetlabs.nl/downloads/bcder/CVE-2023-39914.txtVendor Advisory
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