CVE-2016-6871

CVSS V2 High 7.5 CVSS V3 Critical 9.8

Description

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.

Overview

CVE ID
CVE-2016-6871

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2017-02-17T17:59:01

Last Modified Date
2017-02-22T17:53:25

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:facebook:hhvm::::::::	1	OR		3.14.5

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/facebook/hhvm/commit/c00fc9d3003eb06226b58b6a48555f1456ee2475	Patch
http://www.openwall.com/lists/oss-security/2016/08/19/1	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/11/1	Mailing List Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2016-6871
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6871

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 09:48:10				Added to TrackCVE
2022-12-02 14:03:11	2017-02-17T17:59Z	2017-02-17T17:59:01	CVE Published Date	updated
2022-12-02 14:03:12		2017-02-22T17:53:25	CVE Modified Date	updated
2022-12-02 14:03:12		Analyzed	Vulnerability Status	updated