PHP up to 5.1.0 com_print_typeinfo memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 5.1.0 and classified as critical. Affected by this vulnerability is the function com_print_typeinfo. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2012-2376. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in PHP up to 5.1.0 (Programming Language Software) and classified as very critical. Affected by this issue is the function com_print_typeinfo. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to execute arbitrary code via crafted arguments that trigger incorrect handling of COM object VARIANT types, as exploited in the wild in May 2012.

The weakness was shared 05/21/2012 by condis as Bug 823464 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2012-2376 since 04/19/2012. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/31/2024).

A public exploit has been developed by 0in and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12553 (PHP "com_print_typeinfo" Function Arbitrary Code Execution Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12374.

The vulnerability is also documented in the databases at X-Force (75778), Exploit-DB (18861), Zero-Day.cz (244), SecurityFocus (BID 53621†) and OSVDB (82263†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: 0in
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 902836
OpenVAS Name: PHP com_print_typeinfo() Remote Code Execution Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

04/19/2012 🔍
05/11/2012 +22 days 🔍
05/11/2012 +0 days 🔍
05/11/2012 +0 days 🔍
05/11/2012 +0 days 🔍
05/21/2012 +10 days 🔍
05/21/2012 +0 days 🔍
05/22/2012 +1 days 🔍
05/29/2012 +7 days 🔍
03/23/2015 +1028 days 🔍
12/31/2024 +3571 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 823464
Researcher: condis
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2376 (🔍)
GCVE (CVE): GCVE-0-2012-2376
GCVE (VulDB): GCVE-100-60764
X-Force: 75778
SecurityFocus: 53621 - PHP 'com_print_typeinfo()' Remote Code Execution Vulnerability
OSVDB: 82263
SecurityTracker: 1027089 - PHP Windows com_print_typeinfo() Buffer Overflow Lets Local Users Gain Elevated Privileges
Vulnerability Center: 35200 - PHP 5.4.3 and earlier on Windows Remote Buffer Overflow Vulnerability via Crafted Arguments, High

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/31/2024 16:11
Changes: 03/23/2015 16:50 (59), 04/13/2017 12:46 (23), 07/15/2024 06:37 (23), 12/31/2024 16:11 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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