CVE-2023-52557

In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch.sig	Patch
https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68d0cafe9b	Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch.sig	Patch
https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68d0cafe9b	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:openbsd:openbsd::::::::
	cpe:2.3:o:openbsd:openbsd:7.3:-::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_001::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_002::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_003::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_004::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_005::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_006::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_007::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_008::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_009::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_010::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_011::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_012::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_013::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_014::::::
	cpe:2.3:o:openbsd:openbsd:7.3:errata_015::::::

History

No history.

Information

Published : 2024-03-01 17:15

Updated : 2025-10-10 17:46

NVD link : CVE-2023-52557

Mitre link : CVE-2023-52557

CVE.ORG link : CVE-2023-52557

JSON object : View

Products Affected

openbsd

openbsd

CWE

CWE-131

Incorrect Calculation of Buffer Size

CWE-805

Buffer Access with Incorrect Length Value

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