SB2019072402 - Denial of service in scapy



SB2019072402 - Denial of service in scapy

Published: July 24, 2019

Security Bulletin ID SB2019072402
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2019-1010142)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a lack of input validation while reading the length field in the RADIUS packet’s Attribute Value Pairs (AVP). A remote attacker can send a specially crafted packet that has an AVP with a length byte equal to zero and crash the target system.


Remediation

Install update from vendor's website.