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TI-2002-00032 Aliases CVE-2002-0036GHSA-4hr3-85ww-cj5w

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote…

Priority LOW 30Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.

Why it matters now

EPSS 0.04525 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

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

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:*1.2.1Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*1.2.2Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.2.3:*:*:*:*:*:*:*1.2.3Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.2.4:*:*:*:*:*:*:*1.2.4Vulnerablemoos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·moos-ivp

Remediation

Red Hat 3 advisories

  • RHSA-2003:168 Released 2003-04-29 · Red Hat rating Critical
    : : : Updated kerberos packages fix various vulnerabilities
    • Red Hat Linux 7.1
  • RHSA-2003:052 Released 2003-03-27 · Red Hat rating Critical
    krb5 security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2003:051 Released 2003-03-26 · Red Hat rating Critical
    : Updated kerberos packages fix various vulnerabilities
    • Red Hat Linux 6.2
    • Red Hat Linux 7.0
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:052
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:052
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2003:052
Red Hat Linux 6.2Fixed RHSA-2003:051
Red Hat Linux 7.0Fixed RHSA-2003:051
Red Hat Linux 7.1Fixed RHSA-2003:051
Red Hat Linux 7.2Fixed RHSA-2003:051
Red Hat Linux 7.3Fixed RHSA-2003:051
Red Hat Linux 8.0Fixed RHSA-2003:051
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:052

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-0036
  2. 2026-10-03 Alias added: GHSA-4hr3-85ww-cj5w

References

Patch 2

Advisory 5

Other 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