Multiple vulnerabilities in Wireshark

Published: 2017-07-18 | Updated: 2020-08-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-11410 CVE-2017-11411
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Wireshark Server applications / IDS/IPS systems, Firewalls and proxy servers
Vendor	Wireshark.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU38679

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: CVE-2017-11410

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

In Wireshark through 2.0.13 and 2.2.x through 2.2.7, the WBXML dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-wbxml.c by adding validation of the relationships between indexes and lengths. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-7702.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Wireshark: 2.0.0 - 2.2.7

CPE2.3

External links

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13796
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=3c7168cc5f044b4da8747d35da0b2b204dabf398
https://www.wireshark.org/security/wnpa-sec-2017-13.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.

2) Input validation error

EUVDB-ID: #VU38680