CVE-2016-6870 Information

Description

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.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2016/08/11/1 http://www.openwall.com/lists/oss-security/2016/08/19/1 https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8