Vulnerability 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 Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hhvm | <= 3.14.5 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/08/11/1Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/1Mailing ListPatchThird Party Advisory
- https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2PatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/08/11/1Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/1Mailing ListPatchThird Party Advisory
- https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2PatchVendor Advisory
FAQ
What is CVE-2016-6870?
CVE-2016-6870 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2016-6870?
CVE-2016-6870 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-6870?
Check the references section above for vendor advisories and patch information. Affected products include: Facebook Hhvm.