VDB-77420 · CVE-2015-6243 · Nessus 86156

Wireshark up to 1.12.6 epan/packet.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.
5.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, has been found in Wireshark up to 1.12.6 (Packet Analyzer Software). Affected by this issue is the function dissector_get_string_handle/dissector_get_default_string_handle of the file epan/packet.c. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the (1) dissector_get_string_handle and (2) dissector_get_default_string_handle functions.

The weakness was published 08/24/2015 (Website). The advisory is shared for download at code.wireshark.org. This vulnerability is handled as CVE-2015-6243 since 08/14/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 86156 (Debian DSA-3367-1 : wireshark - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124189 (Solaris 11.3 Support Repository Update (SRU) 1.5.0 Missing).

Upgrading to version 1.12.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86156), SecurityFocus (BID 76384†) and Vulnerability Center (SBV-52312†). Similar entries are available at VDB-76766, VDB-76767, VDB-77418 and VDB-77419.

Productinfo

Type

Packet Analyzer Software

Name

Wireshark

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 86156
Nessus Name: Debian DSA-3367-1 : wireshark - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703367
OpenVAS Name: Debian Security Advisory DSA 3367-1 (wireshark - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wireshark 1.12.7
Patch: eb1ccbdccde89701f255f921d88992878057477d

Timelineinfo

08/11/2015 🔍
08/11/2015 +0 days 🔍
08/14/2015 +3 days 🔍
08/24/2015 +10 days 🔍
08/24/2015 +0 days 🔍
08/25/2015 +1 days 🔍
08/26/2015 +1 days 🔍
06/13/2022 +2483 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: code.wireshark.org⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6243 (🔍)
OVAL: 🔍

SecurityFocus: 76384 - Wireshark 'epan/packet.c' Remote Denial of Service Vulnerability
SecurityTracker: 1033272
Vulnerability Center: 52312 - Wireshark 1.12-1.12.6 Remote DoS in Dissector Table, Medium

See also: 🔍

Entryinfo

Created: 08/25/2015 10:05 AM
Updated: 06/13/2022 10:35 AM
Changes: 08/25/2015 10:05 AM (60), 03/02/2018 10:13 AM (12), 06/13/2022 10:29 AM (5), 06/13/2022 10:35 AM (1)
Complete: 🔍
Cache ID: 18:113:40