Home/CVE/The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a ke
CVE

CVE-2016-7480

The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a ke

The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.

CRITICAL · CVSS 9.8 EPSS 0.03611
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
php>= 7.0.0 and < 7.0.11
netapp clustered data ontapall versions
⚠

Public Exploits & PoCs

1
pocblog.checkpoint.com · PHP_Technical_Report.pdfblog.checkpoint.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@checkpoint.com
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 NVD11 Jan 2017 · 07:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
suse-csafSUSE-SU-2017:0534-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7Third Party AdvisoryVDB Entry
http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
http://www.securityfocus.com/bid/95152Third Party AdvisoryVDB Entry
https://bugs.php.net/bug.php?id=73257Issue TrackingPatchVendor Advisory
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory
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