PHP up to 5.4.43/5.5.27/5.6.11 Exception Zend/zend_exceptions.c null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
A vulnerability was found in PHP up to 5.4.43/5.5.27/5.6.11 (Programming Language Software). It has been classified as critical. This affects an unknown code of the file Zend/zend_exceptions.c of the component Exception Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
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.
The weakness was disclosed 05/22/2016 (Website). It is possible to read the advisory at bugs.php.net. This vulnerability is uniquely identified as CVE-2015-8876 since 05/21/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 91585 (openSUSE Security Update : php5 (openSUSE-2016-703)), 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 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (91585). The entries 3695, 5786, 5794 and 9021 are pretty similar.
Product
Type
Name
Version
- 5.4.0
- 5.4.1
- 5.4.2
- 5.4.3
- 5.4.4
- 5.4.5
- 5.4.6
- 5.4.7
- 5.4.8
- 5.4.9
- 5.4.10
- 5.4.11
- 5.4.12
- 5.4.13
- 5.4.14
- 5.4.15
- 5.4.16
- 5.4.17
- 5.4.18
- 5.4.19
- 5.4.20
- 5.4.21
- 5.4.22
- 5.4.23
- 5.4.24
- 5.4.25
- 5.4.26
- 5.4.27
- 5.4.28
- 5.4.29
- 5.4.30
- 5.4.31
- 5.4.32
- 5.4.33
- 5.4.34
- 5.4.35
- 5.4.36
- 5.4.37
- 5.4.38
- 5.4.39
- 5.4.40
- 5.4.41
- 5.4.42
- 5.4.43
- 5.5.0
- 5.5.1
- 5.5.2
- 5.5.3
- 5.5.4
- 5.5.5
- 5.5.6
- 5.5.7
- 5.5.8
- 5.5.9
- 5.5.10
- 5.5.11
- 5.5.12
- 5.5.13
- 5.5.14
- 5.5.15
- 5.5.16
- 5.5.17
- 5.5.18
- 5.5.19
- 5.5.20
- 5.5.21
- 5.5.22
- 5.5.23
- 5.5.24
- 5.5.25
- 5.5.26
- 5.5.27
- 5.6.0
- 5.6.1
- 5.6.2
- 5.6.3
- 5.6.4
- 5.6.5
- 5.6.6
- 5.6.7
- 5.6.8
- 5.6.9
- 5.6.10
- 5.6.11
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 91585
Nessus Name: openSUSE Security Update : php5 (openSUSE-2016-703)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 861202
OpenVAS Name: Ubuntu Update for php7.0 USN-3045-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Upgrade: PHP 5.4.44/5.5.28/5.6.12
Timeline
05/21/2016 🔍05/21/2016 🔍
05/22/2016 🔍
05/23/2016 🔍
06/11/2016 🔍
06/14/2016 🔍
08/21/2022 🔍
Sources
Product: php.orgAdvisory: 70121
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-8876 (🔍)
See also: 🔍
Entry
Created: 05/23/2016 10:30Updated: 08/21/2022 14:11
Changes: 05/23/2016 10:30 (64), 12/09/2018 11:23 (12), 08/21/2022 14:07 (3), 08/21/2022 14:11 (1)
Complete: 🔍
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