Vulnerability Name:

CVE-2016-7480

Assigned:2016-09-09
Published:2016-12-27
Updated:2018-01-13
Summary: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.
CVSS v3 Severity:9.8 Critical (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
References:Source: MISC
Type: VENDOR_ADVISORY
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7

Source: MISC
Type: VENDOR_ADVISORY
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf

Source: MISC
Type: VENDOR_ADVISORY
http://php.net/ChangeLog-7.php

Source: BID
Type: UNKNOWN
95152

Source: MISC
Type: PATCH
https://bugs.php.net/bug.php?id=73257

Source: XF
Type: UNKNOWN
php-cve20167480-code-exec(121252)

Source: MISC
Type: PATCH
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20180112-0001/

Source: MISC
Type: UNKNOWN
https://www.youtube.com/watch?v=LDcaPstAuPk

Vulnerable Configuration:Configuration 1:
  • cpe:/a:php:php:7.0.11:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:php:php:7.0.11:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20167480
    V
    CVE-2016-7480
    2018-02-18
    oval:com.ubuntu.precise:def:20167480000
    V
    CVE-2016-7480 on Ubuntu 12.04 LTS (precise) - medium.
    2017-01-11
    oval:com.ubuntu.trusty:def:20167480000
    V
    CVE-2016-7480 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-01-11
    oval:com.ubuntu.xenial:def:20167480000
    V
    CVE-2016-7480 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-01-11
    BACK
    php php 7.0.11
    php php 7.0.11