Vulnerability Details : CVE-2016-6271
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.
Products affected by CVE-2016-6271
- cpe:2.3:a:bzrtp_project:bzrtp:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:bzrtp_project:bzrtp:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:bzrtp_project:bzrtp:1.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6271
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6271
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-6271
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6271
-
https://github.com/gteissier/CVE-2016-6271
GitHub - gteissier/CVE-2016-6271: Proof of concept for ZRTP man-in-the-middle
-
http://www.securityfocus.com/bid/95928
Bzrtp CVE-2016-6271 Man in the Middle Spoofing Vulnerability
-
https://github.com/BelledonneCommunications/bzrtp/commit/bbb1e6e2f467ee4bd7b9a8c800e4f07343d7d99b
Add ZRTP Commit packet hvi check on DHPart2 packet reception · BelledonneCommunications/bzrtp@bbb1e6e · GitHubIssue Tracking;Patch
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