#VU11515 Memory leak in Wireshark

Vulnerability identifier: #VU11515

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-401

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 cause DoS condition on the target system.

The weakness exists due to memory leak. A remote attacker can inject a malformed packet onto the wire or trick the victim into reading a specially crafted packet trace file, trigger memory corruption and cause the TN3270, ISUP, LAPD, SMB2, GIOP, ASN.1, MIME multipart, H.223 and PCP dissectors to crash.

Mitigation
Update to versions 2.4.6, 2.2.14 or later.

Vulnerable software versions

Wireshark: 2.2.0 - 2.2.13, 2.4.0 - 2.4.5

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External links
https://www.wireshark.org/security/wnpa-sec-2018-24.html

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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.