Improper Input Validation Affecting krb5-pkinit-openssl package, versions <0:1.10.3-10.el6_4.3


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
78.74% (99th percentile)

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  • Snyk IDSNYK-RHEL6-KRB5PKINITOPENSSL-1463805
  • published26 Jul 2021
  • disclosed16 Jun 2002

Introduced: 16 Jun 2002

CVE-2002-2443  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:6 krb5-pkinit-openssl to version 0:1.10.3-10.el6_4.3 or higher.
This issue was patched in RHSA-2013:0942.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5-pkinit-openssl package and not the krb5-pkinit-openssl package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1