Rule Category

PROTOCOL-RPC -- Snort has detected traffic that may indicate the presence of the rpc protocol or vulnerabilities in the rpc protocol on the network.

Alert Message

PROTOCOL-RPC portmap ypserv request UDP

Rule Explanation

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 Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

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].

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Rule Vulnerability

CVE Additional 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.
Details
SeverityHIGH Base Score10.0
Impact Score10.0 Exploit Score10.0
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access
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.
Details
SeverityHIGH Base Score10.0
Impact Score10.0 Exploit Score10.0
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access
CVE-2002-1232
Memory leak in ypdb_open in yp_db.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.
Details
SeverityMEDIUM Base Score5.0
Impact Score2.9 Exploit Score10.0
Confidentiality ImpactNONE Integrity ImpactNONE
Availability ImpactPARTIAL Access Vector
AuthenticationNONE Ease of Access