Home/CVE/The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial
CVE

CVE-2016-9936

The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial

The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.

CRITICAL · CVSS 9.8 EPSS 0.00953
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

1
phpall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=72978bugs.php.net
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Jan 2017 · 08:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
rhsaRHSA-2018:1296Low
usnUSN-3211-1
suse-csafSUSE-SU-2017:0017-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
http://www.openwall.com/lists/oss-security/2016/12/12/2Mailing List
http://www.php.net/ChangeLog-7.phpPatchRelease Notes
http://www.securityfocus.com/bid/94849
https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17Patch
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