Home/CVE/Use-after-free vulnerability in the wddx_stack_destroy function in ext/wddx/wddx.c in PHP before 5.6.26 and 7.x before 7
CVE

CVE-2016-7413

Use-after-free vulnerability in the wddx_stack_destroy function in ext/wddx/wddx.c in PHP before 5.6.26 and 7.x before 7

Use-after-free vulnerability in the wddx_stack_destroy function in ext/wddx/wddx.c in PHP before 5.6.26 and 7.x before 7.0.11 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a wddxPacket XML document that lacks an end-tag for a recordset field element, leading to mishandling in a wddx_deserialize call.

CRITICAL · CVSS 9.8 EPSS 0.01372
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

2
php<= 5.6.25
phpall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=72860bugs.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 NVD17 Sep 2016 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

8
rhsaRHSA-2018:1296Low
suse-csafSUSE-SU-2016:2477-1
suse-csafSUSE-SU-2016:2477-2
suse-csafSUSE-SU-2016:2459-1
suse-csafSUSE-SU-2016:2460-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/09/15/10Mailing List
http://www.php.net/ChangeLog-5.phpRelease Notes
http://www.php.net/ChangeLog-7.phpRelease Notes
http://www.securityfocus.com/bid/93006
http://www.securitytracker.com/id/1036836
https://github.com/php/php-src/commit/b88393f08a558eec14964a55d3c680fe67407712?w=1Issue TrackingPatch
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