Wireshark up to 1.12.12 NDS Dissector packet-ncp2222.inc null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Wireshark up to 1.12.12. Affected is an unknown function of the file epan/dissectors/packet-ncp2222.inc of the component NDS Dissector. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2016-6504. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Wireshark up to 1.12.12 (Packet Analyzer Software) and classified as problematic. Affected by this vulnerability is an unknown code of the file epan/dissectors/packet-ncp2222.inc of the component NDS Dissector. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.

The weakness was released 08/06/2016 (Website). The advisory is shared at openwall.com. This vulnerability is known as CVE-2016-6504 since 08/01/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 93342 (SUSE SLES11 Security Update : wireshark (SUSE-SU-2016:2212-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169145 (SUSE Enterprise Linux Security Update for wireshark (SUSE-SU-2016:2212-1)).

Upgrading to version 1.12.13 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40194), Tenable (93342) and SecurityFocus (BID 92164†). Entries connected to this vulnerability are available at VDB-90621, VDB-90660, VDB-90662 and VDB-90663. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93342
Nessus Name: SUSE SLES11 Security Update : wireshark (SUSE-SU-2016:2212-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703648
OpenVAS Name: Debian Security Advisory DSA 3648-1 (wireshark - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Wireshark 1.12.13
Patch: 9eacbb4d48df647648127b9258f9e5aeeb0c7d99

Timelineinfo

07/28/2016 🔍
08/01/2016 +4 days 🔍
08/06/2016 +5 days 🔍
08/06/2016 +0 days 🔍
08/08/2016 +2 days 🔍
09/02/2016 +25 days 🔍
09/06/2016 +4 days 🔍
01/12/2025 +3050 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6504 (🔍)
GCVE (CVE): GCVE-0-2016-6504
GCVE (VulDB): GCVE-100-90661

OVAL: 🔍

SecurityFocus: 92164 - Wireshark NDS Dissector Denial of Service Vulnerability
SecurityTracker: 1036480

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/08/2016 15:27
Updated: 01/12/2025 21:09
Changes: 08/08/2016 15:27 (69), 03/22/2019 10:51 (16), 09/13/2022 10:45 (6), 01/12/2025 21:09 (16)
Complete: 🔍
Cache ID: 216:FB1:103

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