Vulnerability identifier: #VU33467

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10903

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers
Fedora
Operating systems & Components / Operating system

Vendor: Wireshark.org
Fedoraproject

Description

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

In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the DCERPC SPOOLSS dissector could crash. This was addressed in epan/dissectors/packet-dcerpc-spoolss.c by adding a boundary check.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wireshark: 3.0.0

Fedora: 3.0.0 - 30

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External links
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/107834
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15568
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=eafdcfa4b6d5187a5326442a82608ab03d9dddcb
http://lists.debian.org/debian-lts-announce/2019/05/msg00034.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4LYIOOQIMFQ3PA7AFBK4DNXHISTEYUC5/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PU3QA2DUO3XS24QE24CQRP4A4XQQY76R/
http://usn.ubuntu.com/3986-1/
http://www.wireshark.org/security/wnpa-sec-2019-18.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.