Wireshark 2.0.0/2.0.1 HTTP/2 Dissector packet-http2.c input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wireshark 2.0.0/2.0.1. This affects an unknown function of the file epan/dissectors/packet-http2.c of the component HTTP2 Dissector. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2016-2525. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Wireshark 2.0.0/2.0.1 (Packet Analyzer Software). This vulnerability affects an unknown code block of the file epan/dissectors/packet-http2.c of the component HTTP2 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 availability. CVE summarizes:

epan/dissectors/packet-http2.c in the HTTP/2 dissector in Wireshark 2.0.x before 2.0.2 does not limit the amount of header data, which allows remote attackers to cause a denial of service (memory consumption or application crash) via a crafted packet.

The weakness was published 02/28/2016 by Mateusz Jurczyk with Wireshark (Website). The advisory is shared for download at code.wireshark.org. This vulnerability was named CVE-2016-2525 since 02/19/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

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 (111112), Tenable (89048), SecurityFocus (BID 83580†) and Vulnerability Center (SBV-56939†). Similar entries are available at VDB-81096, VDB-81097, VDB-81098 and VDB-81099. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

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: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Wireshark 2.0.2
Patch: 6a47ac7624993b99966e1d813245ffb419a2d201

Timelineinfo

02/19/2016 🔍
02/25/2016 +6 days 🔍
02/27/2016 +1 days 🔍
02/28/2016 +1 days 🔍
02/28/2016 +0 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: Wireshark
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2525 (🔍)
GCVE (CVE): GCVE-0-2016-2525
GCVE (VulDB): GCVE-100-81100
X-Force: 111112 - Wireshark HTTP/2 dissector denial of service
SecurityFocus: 83580 - Wireshark Multiple Denial of Service Vulnerabilities
SecurityTracker: 1035118
Vulnerability Center: 56939 - Wireshark 2.0.0-2.0.1 Remote DoS in HTTP/2 Dissector - CVE-2016-2525, Medium

See also: 🔍

Entryinfo

Created: 02/28/2016 21:36
Updated: 07/08/2022 14:58
Changes: 02/28/2016 21:36 (66), 08/25/2018 11:21 (25), 07/08/2022 14:58 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!