PHP up to 5.4.43/5.5.27/5.6.11 Zend/zend_exceptions.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 5.4.43/5.5.27/5.6.11. It has been rated as problematic. This vulnerability affects unknown code of the file Zend/zend_exceptions.c. This manipulation causes input validation. The identification of this vulnerability is CVE-2015-8873. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in PHP up to 5.4.43/5.5.27/5.6.11 (Programming Language Software). Affected by this vulnerability is an unknown function of the file Zend/zend_exceptions.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack consumption vulnerability in 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 allows remote attackers to cause a denial of service (segmentation fault) via recursive method calls.

The weakness was shared 05/16/2016 (Website). The advisory is shared at bugs.php.net. This vulnerability is known as CVE-2015-8873 since 05/15/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 91531 (openSUSE Security Update : php5 (openSUSE-2016-696)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168907 (OpenSuSE Security Update for php5 (openSUSE-SU-2016:1553-1)).

Upgrading to version 5.4.44, 5.5.28 or 5.6.12 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91531). The entries VDB-87405, VDB-87567, VDB-87570 and VDB-90611 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91531
Nessus Name: openSUSE Security Update : php5 (openSUSE-2016-696)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL91084571 - PHP vulnerability CVE-2015-8873
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.4.44/5.5.28/5.6.12
Patch: 4d2278143a08b7522de9471d0f014d7357c28fea

Timelineinfo

05/15/2016 🔍
05/16/2016 +1 days 🔍
05/16/2016 +0 days 🔍
05/17/2016 +1 days 🔍
06/08/2016 +22 days 🔍
06/09/2016 +1 days 🔍
08/19/2022 +2262 days 🔍

Sourcesinfo

Product: php.org

Advisory: RHSA-2016:2750
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8873 (🔍)
GCVE (CVE): GCVE-0-2015-8873
GCVE (VulDB): GCVE-100-87409
See also: 🔍

Entryinfo

Created: 05/17/2016 10:30
Updated: 08/19/2022 14:30
Changes: 05/17/2016 10:30 (64), 11/27/2018 10:40 (11), 08/19/2022 14:30 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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