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Sid 1-590

Message

PROTOCOL-RPC portmap ypserv request UDP

Summary

Buffer overflow in ypserv in Mandrake Linux 7.1 and earlier, and possibly other Linux operating systems, allows an attacker to gain root privileges when ypserv is built without a vsyslog() function.

Impact

CVSS base score 10.0 CVSS impact score 10.0 CVSS exploitability score 10.0 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE

CVE-2000-1042:

CVSS base score 10.0

CVSS impact score 10.0

CVSS exploitability score 10.0

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

CVE-2000-1043:

CVSS base score 10.0

CVSS impact score 10.0

CVSS exploitability score 10.0

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

CVE-2002-1232:

CVSS base score 5.0

CVSS impact score 2.9

CVSS exploitability score 10.0

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Detailed information

CVE-2000-1042: Buffer overflow in ypserv in Mandrake Linux 7.1 and earlier, and possibly other Linux operating systems, allows an attacker to gain root privileges when ypserv is built without a vsyslog() function.

CVE-2000-1043: Format string vulnerability in ypserv in Mandrake Linux 7.1 and earlier, and possibly other Linux operating systems, allows an attacker to gain root privileges when ypserv is built without a vsyslog() function.

CVE-2002-1232: Memory leak in ypdbopen in ypdb.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of requests for a map that does not exist.

Affected systems

  • mandrakesoft mandrake_linux 6.1
  • mandrakesoft mandrake_linux 7.0
  • mandrakesoft mandrake_linux 7.1
  • debian debian_linux 2.2
  • debian debian_linux 3.0
  • hp secure_os 1.0
  • redhat linux 6.2
  • redhat linux 7.0
  • redhat linux 7.1
  • redhat linux 7.2
  • redhat linux 7.3

Ease of attack

CVE-2000-1042:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

CVE-2000-1043:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

CVE-2002-1232:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References