Denial of service in Wireshark

1) Resource management error

EUVDB-ID: #VU20968

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-12295

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to unspecified error when processing untrusted data in the Wireshark dissection engine in epan/packet.c. A remote attacker can trick the victim to view the malformed packet trace file and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Wireshark: 2.4.0 - 3.0.1

CPE2.3

• cpe:2.3:a:wireshark_org:wireshark:2.4.14:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark_org:wireshark:2.6.8:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark_org:wireshark:3.0.1:*:*:*:*:*:*:*

External links

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=7b6e197da4c497e229ed3ebf6952bae5c426a820
https://www.wireshark.org/security/wnpa-sec-2019-19.html

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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