NULL pointer dereference in Wireshark



Published: 2016-08-07 | Updated: 2020-08-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6504
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Wireshark
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Wireshark.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU32974

Risk: Medium

CVSSv3.1: 5.2 [AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6504

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted packet.

Mitigation

Update to version 1.12.13.

Vulnerable software versions

Wireshark: 1.12.0 - 1.12.12

CPE2.3 External links

http://openwall.com/lists/oss-security/2016/07/28/3
http://www.debian.org/security/2016/dsa-3648
http://www.securityfocus.com/bid/92164
http://www.securitytracker.com/id/1036480
http://www.wireshark.org/security/wnpa-sec-2016-40.html
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9eacbb4d48df647648127b9258f9e5aeeb0c7d99
http://www.exploit-db.com/exploits/40194/


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.



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