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HIGH · 7.5

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.

Vulnerability Description

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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
OpenbsdOpenbsd< 7.3

Related Weaknesses (CWE)

CWE-131CWE-805

References

FAQ

What is CVE-2023-52557?

CVE-2023-52557 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2023-52557?

CVE-2023-52557 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-52557?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.