Bzrtp Library 1.0.0/1.0.1/1.0.2/1.0.3 DHPart2 Packet 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Bzrtp Library 1.0.0/1.0.1/1.0.2/1.0.3. This affects an unknown part of the component DHPart2 Packet Handler. Such manipulation leads to 7pk security. This vulnerability is traded as CVE-2016-6271. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Bzrtp Library 1.0.0/1.0.1/1.0.2/1.0.3 (Software Library) and classified as critical. Affected by this issue is an unknown part of the component DHPart2 Packet Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, and integrity. CVE summarizes:

The Bzrtp library (aka libbzrtp) 1.0.x before 1.0.4 allows man-in-the-middle attackers to conduct spoofing attacks by leveraging a missing HVI check on DHPart2 packet reception.

The bug was discovered 01/18/2017. The weakness was shared 01/18/2017 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2016-6271 since 07/21/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

The vulnerability scanner Nessus provides a plugin with the ID 96944 (openSUSE Security Update : bzrtp (openSUSE-2017-193)), 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 169728 (OpenSuSE Security Update for bzrtp (openSUSE-SU-2017:0363-1)).

Upgrading to version 1.0.4 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96944) and SecurityFocus (BID 95928†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
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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Nessus ID: 96944
Nessus Name: openSUSE Security Update : bzrtp (openSUSE-2017-193)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Bzrtp Library 1.0.4
Patch: github.com

Timelineinfo

07/21/2016 🔍
01/18/2017 +181 days 🔍
01/18/2017 +0 days 🔍
01/18/2017 +0 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
02/01/2017 +13 days 🔍
02/02/2017 +1 days 🔍
09/25/2024 +2792 days 🔍

Sourcesinfo

Advisory: bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6271 (🔍)
GCVE (CVE): GCVE-0-2016-6271
GCVE (VulDB): GCVE-100-95504
SecurityFocus: 95928 - Bzrtp CVE-2016-6271 Man in the Middle Spoofing Vulnerability
OSVDB: - CVE-2016-6271 - bzrtp - Man-in-the-Middle Issue

Entryinfo

Created: 01/19/2017 09:44
Updated: 09/25/2024 19:54
Changes: 01/19/2017 09:44 (67), 07/24/2020 16:45 (7), 11/01/2022 14:13 (5), 09/25/2024 19:54 (16)
Complete: 🔍
Cache ID: 216:ADE:103

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