#VU28181 Resource exhaustion in Wireshark


Published: 2020-05-22

Vulnerability identifier: #VU28181

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13164

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Wireshark.org

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


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?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability