Home/CVE/spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize
CVE

CVE-2016-5771

spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize

spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.

CRITICAL · CVSS 9.8 EPSS 0.09582
Act now
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

6
php< 5.5.37
php>= 5.6.0 and < 5.6.23
php>= 7.0.0 and < 7.0.8
opensuse leapall versions
opensuseall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=72433bugs.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

4
suse-csafSUSE-SU-2018:0806-1
rhsaRHSA-2016:2750Moderate
usnUSN-3045-1
suse-csafSUSE-SU-2016:1842-1
🔗

References & Sources

11
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/3f627e580acfdaf0595ae3b115b8bec677f203ee?w=1PatchThird Party Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlBroken LinkMailing List
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.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
http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
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