SB2020050803 - Denial of service in Tcpreplay

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Main Vulnerability Database SB2020050803

SB2020050803 - Denial of service in Tcpreplay

Published: May 8, 2020 Updated: October 18, 2022

Security Bulletin ID SB2020050803
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2020-12740)

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

The vulnerability exists due to heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c. A remote attacker can perform a denial of service attack.


2) Out-of-bounds write (CVE-ID: CVE-2020-23273)

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

The vulnerability exists due to a boundary error when processing untrusted input within the randomize_iparp() function in edit_packet.c. A remote attacker can trigger an out-of-bounds write and crash the application.


3) Input validation error (CVE-ID: CVE-2020-18976)

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

The vulnerability exists due to insufficient validation of user-supplied input within the do_checksum() function in checksum.c. A remote attacker can pass a specially crafted input to the 'tcpreplay-edit' binary and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References