Home/CVE/Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.
CVE

CVE-2016-5772

Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.

Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted XML data that is mishandled in a wddx_deserialize call.

CRITICAL · CVSS 9.8 EPSS 0.15935
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
▤

Affected Products & Versions

9
php< 5.5.37
php>= 5.6.0 and < 5.6.23
php>= 7.0.0 and < 7.0.8
suse linux enterprise debuginfoall versions
opensuse leapall versions
opensuseall versions
suse linux enterprise serverall versions
suse linux enterprise software development kitall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=72340bugs.php.net
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · 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 NVD07 Aug 2016 · 10:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
rhsaRHSA-2016:2750Moderate
suse-csafSUSE-SU-2016:2080-1
suse-csafSUSE-SU-2016:2013-1
usnUSN-3045-1
suse-csafSUSE-SU-2016:1842-1
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://github.com/php/php-src/commit/a44c89e8af7c2410f4bfc5e097be2a5d0639a60c?w=1PatchThird Party Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlBroken LinkMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.htmlMailing ListThird Party Advisory
http://php.net/ChangeLog-5.phpPatchRelease NotesVendor Advisory
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