Vulnerability · Published Jun 28, 2024 · Assigned by mitre
CVE-2024-37370
High 7.5
In plain English
A high-severity insufficient verification of data authenticity in the krb5-devel package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | krb5-devel | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-devel | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | krb5-libs | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-libs | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | krb5-pkinit | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-pkinit | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | krb5-server | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-server | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | krb5-server-ldap | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-server-ldap | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | krb5-workstation | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | krb5-workstation | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| AlmaLinux:8 | libkadm5 | 1.18.2-29.el8_10 | ALSA-2024:5312 |
| AlmaLinux:9 | libkadm5 | 1.21.1-2.el9_4 | ALSA-2024:6166 |
| Alpine:v3.20 | krb5 | 1.20.3-r0 | ALPINE-CVE-2024-37370 |
| Alpine:v3.21 | krb5 | 1.20.3-r0 | ALPINE-CVE-2024-37370 |
| Alpine:v3.22 | krb5 | 1.20.3-r0 | ALPINE-CVE-2024-37370 |
| Alpine:v3.23 | krb5 | 1.20.3-r0 | ALPINE-CVE-2024-37370 |
| Alpine:v3.24 | krb5 | 1.20.3-r0 | ALPINE-CVE-2024-37370 |
| Debian:12 | krb5 | 1.20.1-2+deb12u2 | DEBIAN-CVE-2024-37370 |
| Debian:12 | krb5 | 1.20.1-2+deb12u2 | DSA-5726-1 |
| Debian:13 | krb5 | 1.21.3-1 | DEBIAN-CVE-2024-37370 |
| Debian:14 | krb5 | 1.21.3-1 | DEBIAN-CVE-2024-37370 |
| Rocky Linux:8 | krb5 | 0:1.18.2-29.el8_10 | RLSA-2024:5312 |
| Ubuntu:22.04:LTS | krb5 | 1.19.2-2ubuntu0.4 | USN-6947-1 |
| Ubuntu:22.04:LTS | krb5 | 1.19.2-2ubuntu0.4 | UBUNTU-CVE-2024-37370 |
| Ubuntu:24.04:LTS | krb5 | 1.20.1-6ubuntu2.1 | USN-6947-1 |
| Ubuntu:24.04:LTS | krb5 | 1.20.1-6ubuntu2.1 | UBUNTU-CVE-2024-37370 |
Affected products (as reported)
Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N