CVE-2002-2443
Summary
| CVE | CVE-2002-2443 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2013-05-29 14:29:06 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.10 | All | All | All |
| Operating System | Debian | Debian Linux | 6.0 | All | All | All |
| Operating System | Debian | Debian Linux | 7.0 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 17 | All | All | All |
| Operating System | Fedoraproject | Fedora | 18 | All | All | All |
| Operating System | Fedoraproject | Fedora | 19 | All | All | All |
| Application | Mit | Kerberos 5 | All | All | All | All |
| Operating System | Opensuse | Opensuse | 11.4 | All | All | All |
| Operating System | Opensuse | Opensuse | 12.2 | All | All | All |
| Operating System | Opensuse | Opensuse | 12.3 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 5.9 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 6.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 6.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 6.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Bug 962531 – CVE-2002-2443 krb5: UDP ping-pong flaw in kpasswd | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| [SECURITY] Fedora 17 Update: krb5-1.10.2-12.fc17 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | Third Party Advisory |
| openSUSE-SU-2013:1119-1: moderate: Fix kpasswd UDP ping-pong | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Mailing List, Third Party Advisory |
| Support / Security / Advisories / / MDVSA-2013:166 | Mandriva | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | Third Party Advisory |
| Object not found! | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Mailing List, Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| Fix kpasswd UDP ping-pong [CVE-2002-2443] · krb5/krb5@cf1a0c4 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch, Third Party Advisory |
| [SECURITY] Fedora 19 Update: krb5-1.11.2-6.fc19 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | Third Party Advisory |
| USN-2810-1: Kerberos vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| [SECURITY] Fedora 18 Update: krb5-1.10.3-17.fc18 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | Third Party Advisory |
| Debian -- Security Information -- DSA-2701-1 krb5 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| RT/krbdev.mit.edu: Ticket #7637 Fix kpasswd UDP ping-pong [CVE-2002-2443] | af854a3a-2127-422b-91ae-364da2661108 | krbdev.mit.edu | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 690327 Free Berkeley Software Distribution (FreeBSD) Security Update for krb5 (e3f64457-cccd-11e2-af76-206a8a720317)