VDB-236620 · CVE-2023-3824 · GHSA-jqcx-ccgc-xwhv

PHP up to 8.0.29 PHAR phar_dir_read buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in PHP up to 8.0.29. It has been declared as critical. Affected is the function phar_dir_read of the component PHAR Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2023-3824. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in PHP up to 8.0.29 (Programming Language Software). This vulnerability affects the function phar_dir_read of the component PHAR Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 08/09/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2023-3824 since 07/21/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 212411 (RHEL 8 : php:7.4 (RHSA-2024:10952)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.0.30 eliminates this vulnerability. The upgrade is hosted for download at php.net.

The vulnerability is also documented in the vulnerability database at Tenable (212411). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Programming Language Software

Name

Version

License

open-source

Website

Product: https://www.php.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.4
CNA Vector (PHP Group): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 212411
Nessus Name: RHEL 8 : php:7.4 (RHSA-2024:10952)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 8.0.30

Timelineinfo

07/21/2023 🔍
08/09/2023 +19 days 🔍
08/09/2023 +0 days 🔍
12/11/2024 +490 days 🔍

Sourcesinfo

Product: php.org

Advisory: GHSA-jqcx-ccgc-xwhv
Status: Confirmed

CVE: CVE-2023-3824 (🔍)
GCVE (CVE): GCVE-0-2023-3824
GCVE (VulDB): GCVE-100-236620

Entryinfo

Created: 08/09/2023 08:14
Updated: 12/11/2024 22:48
Changes: 08/09/2023 08:14 (41), 09/02/2023 13:40 (2), 09/02/2023 13:46 (22), 12/11/2024 22:48 (17)
Complete: 🔍
Cache ID: 216::103