Vulnerability · Published Sep 13, 2023 · Assigned by NLnet Labs

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

High 7.5

In plain English

A high-severity security flaw in bcder from NLnet Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 46.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12rust-bcderno fix listedDEBIAN-CVE-2023-39914
Debian:13rust-bcder0.7.3-1DEBIAN-CVE-2023-39914
Ubuntu:24.04:LTSrust-bcderno fix listedUBUNTU-CVE-2023-39914

Affected products (as reported)

VendorProductVersions
NLnet Labs bcder * – before 0.7.3

Weakness: CWE-232, CWE-240 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References