CVE-2016-6271

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Summary

CVECVE-2016-6271
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-01-18 22:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Problem Types: CWE-254 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bzrtp Project Bzrtp 1.0.0 All All All
Application Bzrtp Project Bzrtp 1.0.2 All All All
Application Bzrtp Project Bzrtp 1.0.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bzrtp CVE-2016-6271 Man in the Middle Spoofing Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Add ZRTP Commit packet hvi check on DHPart2 packet reception · BelledonneCommunications/bzrtp@bbb1e6e · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch
GitHub - gteissier/CVE-2016-6271: Proof of concept for ZRTP man-in-the-middle af854a3a-2127-422b-91ae-364da2661108 github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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