In wolfSSL prior to 5.6.6, if callback functions are... · CVE-2023-6936 · GitHub Advisory Database · GitHub

In wolfSSL prior to 5.6.6, if callback functions are...

Moderate severity Unreviewed Published Feb 21, 2024 to the GitHub Advisory Database • Updated Feb 21, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).

References

Published by the National Vulnerability Database

Feb 20, 2024

Published to the GitHub Advisory Database Feb 21, 2024

Last updated Feb 21, 2024

Severity

Moderate

5.3

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N