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TI-2024-24880 Aliases CVE-2024-37370GHSA-wvrw-2fv8-cjvx

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra…

Priority LOW 34CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 19 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-345.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00748 55th percentileScored 2026-11-07
Fix Partial Red Hat: 14 advisoriesRed Hat: 19 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*before 1.21.3Vulnerablemoos-ivp
  • cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* Versions before 1.21.3 Vulnerable ·moos-ivp

Remediation

Red Hat 14 advisories

  • RHSA-2024:11109 Released 2024-12-16 · Red Hat rating Low
    Updated service-interconnect rhel9 container images for 1.5
    • Red Hat Service Interconnect 1 service-interconnect/skupper-config-sync-rhel9, service-interconnect/skupper-controller-podman-container-rhel9, service-interconnect/skupper-controller-podman-rhel9 +5
  • RHSA-2024:10135 Released 2024-11-21 · Red Hat rating Low
    Updated service-interconnect rhel9 container images for 1.4 LTS
    • 9Base-Service-Interconnect-1.4 service-interconnect/skupper-config-sync-rhel9, service-interconnect/skupper-flow-collector-rhel9, service-interconnect/skupper-operator-bundle +3
  • RHSA-2024:7374 Released 2024-09-30 · Red Hat rating Low
    Security update for service-interconnect rhel9 container images
    • Red Hat Service Interconnect 1 service-interconnect/skupper-config-sync-rhel9, service-interconnect/skupper-controller-podman-container-rhel9, service-interconnect/skupper-controller-podman-rhel9 +5
Show 11 more Red Hat advisories
  • RHSA-2024:7213 Released 2024-09-26 · Red Hat rating Low
    Updated service-interconnect rhel9 container images for 1.4 LTS
    • 9Base-Service-Interconnect-1.4 service-interconnect/skupper-config-sync-rhel9, service-interconnect/skupper-flow-collector-rhel9, service-interconnect/skupper-operator-bundle +3
  • RHSA-2024:6166 Released 2024-09-03 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux AppStream (v. 9) krb5-devel-1.21.1-2.el9_4
    • Red Hat Enterprise Linux BaseOS (v. 9) krb5-1.21.1-2.el9_4, krb5-libs-1.21.1-2.el9_4, krb5-pkinit-1.21.1-2.el9_4 +4
  • RHSA-2024:5884 Released 2024-08-27 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) krb5-1.17-19.el8_2.1, krb5-devel-1.17-19.el8_2.1, krb5-libs-1.17-19.el8_2.1 +5
  • RHSA-2024:5643 Released 2024-08-20 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) krb5-devel-1.20.1-9.el9_2.1
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) krb5-1.20.1-9.el9_2.1, krb5-libs-1.20.1-9.el9_2.1, krb5-pkinit-1.20.1-9.el9_2.1 +4
  • RHSA-2024:5625 Released 2024-08-20 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) krb5-1.18.2-16.el8_6.1, krb5-devel-1.18.2-16.el8_6.1, krb5-libs-1.18.2-16.el8_6.1 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) krb5-1.18.2-16.el8_6.1, krb5-devel-1.18.2-16.el8_6.1, krb5-libs-1.18.2-16.el8_6.1 +5
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) krb5-1.18.2-16.el8_6.1, krb5-devel-1.18.2-16.el8_6.1, krb5-libs-1.18.2-16.el8_6.1 +5
  • RHSA-2024:5630 Released 2024-08-20 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) krb5-devel-1.19.1-16.el9_0.1
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) krb5-1.19.1-16.el9_0.1, krb5-libs-1.19.1-16.el9_0.1, krb5-pkinit-1.19.1-16.el9_0.1 +4
  • RHSA-2024:5316 Released 2024-08-13 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux Server AUS (v. 7.7) krb5-1.15.1-37.el7_7.4, krb5-devel-1.15.1-37.el7_7.4, krb5-libs-1.15.1-37.el7_7.4 +5
  • RHSA-2024:5312 Released 2024-08-13 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux BaseOS (v. 8) krb5-1.18.2-29.el8_10, krb5-devel-1.18.2-29.el8_10, krb5-libs-1.18.2-29.el8_10 +5
  • RHSA-2024:5076 Released 2024-08-07 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) krb5-1.15.1-55.el7_9.2, krb5-devel-1.15.1-55.el7_9.2, krb5-devel-1.15.1-55.el7_9.2.ppc +8
  • RHSA-2024:4743 Released 2024-07-23 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) krb5-1.18.2-26.el8_8.2, krb5-devel-1.18.2-26.el8_8.2, krb5-libs-1.18.2-26.el8_8.2 +5
  • RHSA-2024:4734 Released 2024-07-23 · Red Hat rating Moderate
    krb5 security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) krb5-1.18.2-9.el8_4.1, krb5-devel-1.18.2-9.el8_4.1, krb5-libs-1.18.2-9.el8_4.1 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.8.4) krb5-1.18.2-9.el8_4.1, krb5-devel-1.18.2-9.el8_4.1, krb5-libs-1.18.2-9.el8_4.1 +5
    • Red Hat Enterprise Linux BaseOS TUS (v.8.4) krb5-1.18.2-9.el8_4.1, krb5-devel-1.18.2-9.el8_4.1, krb5-libs-1.18.2-9.el8_4.1 +5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ansible Automation Platform 2AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
9Base-Service-Interconnect-1.4Fixed RHSA-2024:10135, RHSA-2024:7213
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:6166
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2024:5630
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:5643
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2024:5312
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:6166
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2024:5884
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2024:4734
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2024:5625
Red Hat Enterprise Linux BaseOS E4S (v.8.4)Fixed RHSA-2024:4734
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2024:5625
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2024:5630
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2024:4743
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:5643
Red Hat Enterprise Linux BaseOS TUS (v.8.4)Fixed RHSA-2024:4734
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2024:5625
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2024:5076
Red Hat Enterprise Linux Server AUS (v. 7.7)Fixed RHSA-2024:5316
Red Hat Service Interconnect 1Fixed RHSA-2024:11109, RHSA-2024:7374
Not affected: 3 products
  • Red Hat Ansible Automation Platform 2
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-37370
  2. 2026-10-03 Alias added: GHSA-wvrw-2fv8-cjvx

References

Patch 1

Advisory 1

  • TI-2024-17421 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. CVSS 3.1HIGH 7.5
  • TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
  • TI-2026-29130 NULL pointer dereference in moos-ivp Kerberos 5 CVSS 3.1HIGH 7.5
  • TI-2007-00929 The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass… CVSS 2.0HIGH 10.0
  • TI-2011-00268 The process_chpw_request function in schpw.c in the password-changing functionality in… CVSS 2.0HIGH 10.0
  • TI-2001-00245 Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
See all 138 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences