Wireshark 2.2.0 Bluetooth L2CAP Dissector packet-btl2cap.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Wireshark 2.2.0. The affected element is an unknown function of the file epan/dissectors/packet-btl2cap.c of the component Bluetooth L2CAP Dissector. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2016-7957. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Wireshark 2.2.0 (Packet Analyzer Software) and classified as problematic. This vulnerability affects an unknown functionality of the file epan/dissectors/packet-btl2cap.c of the component Bluetooth L2CAP 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:

In Wireshark 2.2.0, the Bluetooth L2CAP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-btl2cap.c by avoiding use of a seven-byte memcmp for potentially shorter strings.

The bug was discovered 04/12/2017. The weakness was presented 04/12/2017 as Bug 12825 as not defined bug report (Bugzilla). The advisory is shared for download at bugs.wireshark.org. This vulnerability was named CVE-2016-7957 since 09/09/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97597†). See VDB-99689 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 802978
OpenVAS Name: Wireshark Multiple DoS Vulnerabilities-01 Apr17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 355b56b1c6c545072ac0c1225730b526c6749f0a

Timelineinfo

09/09/2016 🔍
10/04/2016 +25 days 🔍
04/12/2017 +190 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
11/28/2022 +2056 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Bug 12825
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7957 (🔍)
GCVE (CVE): GCVE-0-2016-7957
GCVE (VulDB): GCVE-100-99688

OVAL: 🔍

SecurityFocus: 97597 - Wireshark 'packet-btl2cap.c' Denial of Service Vulnerability
OSVDB: - CVE-2016-7957 - Wireshark - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/12/2017 20:32
Updated: 11/28/2022 18:50
Changes: 04/12/2017 20:32 (66), 08/29/2020 16:45 (5), 11/28/2022 18:50 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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