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vulnrichmentNLnet LabsVULNRICHMENT:CVE-2023-39914
HistorySep 13, 2023 - 2:17 p.m.

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

2023-09-1314:17:49
CWE-232
CWE-240
NLnet Labs
github.com
1
cve-2023-39914
ber
cer
der
decoder
panics
invalid input
nlnet labs' bcder library
version 0.7.2
decoding
delayed decoding
security vulnerability

CVSS3

7.5

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

AI Score

6.7

Confidence

Low

EPSS

0.001

Percentile

34.3%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

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.

CVSS3

7.5

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

AI Score

6.7

Confidence

Low

EPSS

0.001

Percentile

34.3%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial