Wireshark 2.0.0/2.0.1 LBMC Dissector packet-lbmc.c dissect_nhdr_extopt input validation

CVSS Meta Temp Score
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A vulnerability has been found in Wireshark 2.0.0/2.0.1 (Packet Analyzer Software) and classified as critical. Affected by this vulnerability is the function dissect_nhdr_extopt of the file epan/dissectors/packet-lbmc.c of the component LBMC Dissector. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The dissect_nhdr_extopt function in epan/dissectors/packet-lbmc.c in the LBMC dissector in Wireshark 2.0.x before 2.0.2 does not validate length values, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.

The weakness was presented 02/28/2016 by Mateusz Jurczyk with Google (Website). It is possible to read the advisory at code.wireshark.org. This vulnerability is known as CVE-2016-2528 since 02/19/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 89048 (FreeBSD : wireshark -- multiple vulnerabilities (45117749-df55-11e5-b2bd-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124753 (Wireshark Multiple Denial of Service Vulnerabilities (wnpa-sec-2016-01 to wnpa-sec-2016-18)).

Upgrading to version 2.0.2 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (111115) and Tenable (89048). See 81096, 81097, 81098 and 81099 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89048
Nessus Name: FreeBSD : wireshark -- multiple vulnerabilities (45117749-df55-11e5-b2bd-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803330
OpenVAS Name: Wireshark Multiple Denial-of-Service Vulnerabilities March16 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Wireshark 2.0.2
Patch: 1c090e929269a78bf7a4cb3dc0d34565f4351312

Timelineinfo

01/12/2016 🔍
02/19/2016 +38 days 🔍
02/25/2016 +6 days 🔍
02/27/2016 +1 days 🔍
02/28/2016 +1 days 🔍
02/28/2016 +0 days 🔍
02/29/2016 +1 days 🔍
02/29/2016 +0 days 🔍
03/02/2016 +2 days 🔍
07/08/2022 +2318 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: code.wireshark.org⛔
Researcher: Mateusz Jurczyk
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2528 (🔍)
X-Force: 111115 - Wireshark LBMC dissector denial of service
SecurityTracker: 1035118
Vulnerability Center: 56942 - Wireshark 2.0.0-2.0.1 Remote DoS in LBMC Dissector - CVE-2016-2528, Medium
SecurityFocus: 81964 - Wireshark Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/28/2016 21:36
Updated: 07/08/2022 15:11
Changes: 02/28/2016 21:36 (67), 08/25/2018 11:22 (25), 07/08/2022 15:11 (6)
Complete: 🔍

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