Apache Xerces C++ up to 3.2.2 External DTD Scanning use after free

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.
7.7$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Apache Xerces C++ up to 3.2.2. This issue affects an unknown function of the component External DTD Scanning. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/16/2024. The advisory is shared at issues.apache.org. The identification of this vulnerability is CVE-2024-23807 since 01/22/2024. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 209277 (Oracle Essbase Multiple Vulnerabilities (October 2024 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.2.5 eliminates this vulnerability. The upgrade is hosted for download at issues.apache.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (209277).

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209277
Nessus Name: Oracle Essbase Multiple Vulnerabilities (October 2024 CPU)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Xerces C++ 3.2.5
Patch: github.com

Timelineinfo

01/22/2024 🔍
02/16/2024 +25 days 🔍
02/16/2024 +0 days 🔍
01/17/2025 +336 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: issues.apache.org
Status: Confirmed

CVE: CVE-2024-23807 (🔍)

Entryinfo

Created: 02/16/2024 07:31 PM
Updated: 01/17/2025 04:00 AM
Changes: 02/16/2024 07:31 PM (40), 03/08/2024 08:46 AM (1), 10/19/2024 01:32 PM (17), 01/17/2025 04:00 AM (21)
Complete: 🔍
Cache ID: 18:800:40

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