Denial of service in Wireshark



Published: 2020-05-22
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-13164
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Wireshark.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU28181

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-13164

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources in NFS dissector. A remote attacker can inject a malformed packet onto the wire or trick a victim to read a malformed packet trace file and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Wireshark: 3.2.0 - 3.2.3, 3.0.0 - 3.0.9, 2.6.0 - 2.6.16

CPE2.3 External links

http://www.wireshark.org/security/wnpa-sec-2020-08.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a


Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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