Vulnerability Details : CVE-2016-6871

Integer overflow in bcmath in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors, which triggers a buffer overflow.
Published 2017-02-17 17:59:01
Updated 2017-02-22 17:53:26
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2016-6871

Threat overview for CVE-2016-6871

Top countries where our scanners detected CVE-2016-6871
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-6871 182
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-6871!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-6871

EPSS FAQ
0.49%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-6871

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2016-6871

  • The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-6871

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