PHP up to 5.3.8 strtotime resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in PHP and classified as problematic. Impacted is the function strtotime. This manipulation causes resource management. This vulnerability is registered as CVE-2012-0789. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in PHP (Programming Language Software). Affected by this vulnerability is the function strtotime. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Memory leak in the timezone functionality in PHP before 5.3.9 allows remote attackers to cause a denial of service (memory consumption) by triggering many strtotime function calls, which are not properly handled by the php_date_parse_tzfile cache.

The weakness was published 02/14/2012 as Bug 783609 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2012-0789 since 01/19/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62207 (FreeBSD : php5 -- Denial of Service in php_date_parse_tzfile() (9b2a5e88-02b8-11e2-92d1-000d601460a4)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120480 (CentOS Security Update for PHP (CESA-2012:1046)).

Upgrading to version 5.1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (73244), Exploit-DB (36789), Tenable (62207), SecurityFocus (BID 52043†) and Secunia (SA48668†). Similar entries are available at VDB-5701, VDB-54852, VDB-56890 and VDB-60174. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62207
Nessus Name: FreeBSD : php5 -- Denial of Service in php_date_parse_tzfile() (9b2a5e88-02b8-11e2-92d1-000d601460a4)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 72401
OpenVAS Name: FreeBSD Ports: php5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.1.1

Timelineinfo

12/18/2011 🔍
12/18/2011 +0 days 🔍
01/19/2012 +32 days 🔍
02/14/2012 +26 days 🔍
02/14/2012 +0 days 🔍
03/30/2012 +45 days 🔍
06/19/2012 +81 days 🔍
09/20/2012 +93 days 🔍
03/23/2015 +914 days 🔍
12/16/2024 +3556 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 783609
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0789 (🔍)
GCVE (CVE): GCVE-0-2012-0789
GCVE (VulDB): GCVE-100-60175

OVAL: 🔍

X-Force: 73244
SecurityFocus: 52043 - PHP CVE-2012-0789 Remote Denial Of Service Vulnerability
Secunia: 48668 - SUSE update for php5, Highly Critical
Vulnerability Center: 35362 - Timezone Functionality in PHP Before 5.3.9 Remote Denial of Service Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/16/2024 02:08
Changes: 03/23/2015 16:50 (67), 04/13/2017 20:53 (13), 11/29/2021 15:05 (3), 12/16/2024 02:08 (25)
Complete: 🔍
Cache ID: 216:043:103

Be aware that VulDB is the high quality source for vulnerability data.

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