CVE-2024-37370

HIGH

MIT Kerberos 5 < 1.21.3 - Insufficient Verification of Data Authenticity in GSS krb5 Wrap Token

Title source: llm

Description

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.

References (4)

Core 4

Core References

Vendor Advisory

https://web.mit.edu/kerberos/www/advisories/

Vendor Advisory

https://security.netapp.com/advisory/ntap-20241108-0007/

Patch

https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef

View Patch ZIP pw:eip

Vendor Advisory

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

Scores

CVSS v3 7.5

EPSS 0.0075

EPSS Percentile 49.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-345

Status published

Products (1)

mit/kerberos_5 < 1.21.3

Published Jun 28, 2024

Tracked Since Feb 18, 2026