Vulnerability Details : CVE-2015-8876
Zend/zend_exceptions.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 does not validate certain Exception objects, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or trigger unintended method execution via crafted serialized data.
Vulnerability category: Memory CorruptionDenial of service
Threat overview for CVE-2015-8876
Top countries where our scanners detected CVE-2015-8876
Top open port discovered on systems with this issue
80
IPs affected by CVE-2015-8876 275,216
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2015-8876!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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Exploit prediction scoring system (EPSS) score for CVE-2015-8876
Probability of exploitation activity in the next 30 days: 3.51%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-8876
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2015-8876
-
https://bugs.php.net/bug.php?id=70121
PHP :: Sec Bug #70121 :: unserialize() could lead to unexpected methods execution / NULL pointer derefExploit;Vendor Advisory
-
http://www.php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLogVendor Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-2750.html
RHSA-2016:2750 - Security Advisory - Red Hat Customer PortalThird Party Advisory
Products affected by CVE-2015-8876
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*