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

7.5HIGH

Key Information:

Vendor

Nlnet Labs

Status
Bcder
Vendor
CVE Published:
13 September 2023

What is CVE-2023-39914?

The bcder library by NLnet Labs, up to version 0.7.2, exhibits a vulnerability where it fails to properly handle certain invalid input data. Instead of rejecting such input with an appropriate error message, the library experiences a panic state during the decoding process. This not only impacts the decoding phase but can also affect subsequent content access methods reliant on delayed decoding, potentially leading to service interruption or degradation.

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Affected Version(s)

bcder * < 0.7.3

bcder 0.7.3

References

https://nlnetlabs.nl/downloads/bcder/CVE-2023-39914.txt
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Haya Shulman
Donika Mirdita
Niklas Vogel
JSON
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