SB2021123001 - Multiple vulnerabilities in Wireshark

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Main Vulnerability Database SB2021123001

SB2021123001 - Multiple vulnerabilities in Wireshark

Published: December 30, 2021 Updated: October 16, 2022

Security Bulletin ID SB2021123001
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
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 7 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2021-4186)

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

The vulnerability exists due to insufficient validation of user-supplied input in Gryphon dissector. A remote attacker can pass specially crafted traffic through the network and perform a denial of service (DoS) attack.


2) Infinite loop (CVE-ID: CVE-2021-4185)

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

The vulnerability exists due to infinite loop in RTMPT dissector. A remote attacker can send specially crafted traffic over the network, consume all available system resources and cause denial of service conditions.


3) Infinite loop (CVE-ID: CVE-2021-4184)

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

The vulnerability exists due to infinite loop in BitTorrent DHT dissector. A remote attacker can send specially crafted traffic over the network, consume all available system resources and cause denial of service conditions.


4) Input validation error (CVE-ID: CVE-2021-4183)

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

The vulnerability exists due to insufficient validation of user-supplied input in pcapng file parser. A remote attacker can trick the victim to open a malformed packet trace file and perform a denial of service (DoS) attack.


5) Infinite loop (CVE-ID: CVE-2021-4182)

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

The vulnerability exists due to infinite loop in RFC 7468 file parser. A remote attacker can trick the victim to open a specially crafted packet trace file and consume excessive CPU resources.


6) Input validation error (CVE-ID: CVE-2021-4181)

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

The vulnerability exists due to insufficient validation of user-supplied input in the Sysdig Event dissector. A remote attacker can send specially crafted traffic over the network and perform a denial of service (DoS) attack.


7) Infinite loop (CVE-ID: CVE-2021-4190)

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

The vulnerability exists due to infinite loop in Kafka protocol dissector. A remote attacker can send specially crafted traffic over the network, consume all available system resources and cause denial of service conditions.


Remediation

Install update from vendor's website.

References