PHP 5.4.41/5.5.25/5.6.9 php_pgsql_meta_data null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability, which was classified as problematic, was found in PHP 5.4.41/5.5.25/5.6.9 (Programming Language Software). This affects the function php_pgsql_meta_data. 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 availability.

The weakness was disclosed 06/18/2015 as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2015-4644 since 06/18/2015. 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 are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 84897 (SUSE SLES11 Security Update : PHP (SUSE-SU-2015:1265-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350140 (Amazon Linux Security Advisory for php55: ALAS-2015-562).

Upgrading to version 5.4.42, 5.6.10 or 5.5.26 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (103927) and Tenable (84897). Further details are available at seclists.org. The entries 76015, 76016, 76121 and 76122 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
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Nessus ID: 84897
Nessus Name: SUSE SLES11 Security Update : PHP (SUSE-SU-2015:1265-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703344
OpenVAS Name: Debian Security Advisory DSA 3344-1 (php5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.42/5.6.10/5.5.26
Patch: 2cc4e69cc6d8dbc4b3568ad3dd583324a7c11d64

Timelineinfo

06/18/2015 🔍
06/18/2015 +0 days 🔍
06/18/2015 +0 days 🔍
06/19/2015 +1 days 🔍
06/20/2015 +1 days 🔍
06/21/2015 +1 days 🔍
06/25/2015 +4 days 🔍
05/16/2016 +326 days 🔍
05/21/2022 +2196 days 🔍

Sourcesinfo

Product: php.org

Advisory: 69667
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4644 (🔍)
OVAL: 🔍

X-Force: 103927 - PHP php_pgsql_meta_data denial of service
SecurityTracker: 1032709 - PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 50647 - PHP 5.4 - 5.4.41, 5.5 - 5.5.25, 5.6 - 5.6.9 Remote DoS via Specially Crafted PHP Code in php_pgsql_meta_data, Medium
SecurityFocus: 75292 - PHP CVE-2015-4644 Incomplete Fix Null Pointer Deference Denial of Service Vulnerability

Misc.: 🔍
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Entryinfo

Created: 06/19/2015 10:45
Updated: 05/21/2022 13:20
Changes: 06/19/2015 10:45 (84), 07/01/2017 08:00 (5), 05/21/2022 13:08 (7), 05/21/2022 13:14 (1), 05/21/2022 13:20 (1)
Complete: 🔍

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