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CVE-2016-6870

Date: February 17, 2017

Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Language: C++

Severity Score

9.8

Related Resources (6)

Url: http://www.openwall.com/lists/oss-security/2016/08/11/1

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-6870

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-6870

Url: http://www.openwall.com/lists/oss-security/2016/08/19/1

Url: https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2

Url: https://www.mend.io/vulnerability-database/CVE-2016-6870

Severity Score

9.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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