Esoteric YamlBeans up to 1.15 YAML Document memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Esoteric YamlBeans up to 1.15. It has been classified as problematic. Affected is an unknown function of the component YAML Document Handler. The manipulation leads to memory allocation. This vulnerability is documented as CVE-2023-24620. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Esoteric YamlBeans up to 1.15. This issue affects an unknown code block of the component YAML Document Handler. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability. The summary by CVE is:

An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception.

The weakness was released 08/26/2023. The identification of this vulnerability is CVE-2023-24620 since 01/30/2023. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2362). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2023 🔍
08/25/2023 +207 days 🔍
08/26/2023 +0 days 🔍
08/11/2025 +716 days 🔍

Sourcesinfo

Advisory: contrastsecurity.com
Status: Not defined

CVE: CVE-2023-24620 (🔍)
GCVE (CVE): GCVE-0-2023-24620
GCVE (VulDB): GCVE-100-238061
EUVD: 🔍

Entryinfo

Created: 08/26/2023 01:25
Updated: 08/11/2025 07:30
Changes: 08/26/2023 01:25 (37), 09/20/2023 14:25 (1), 09/20/2023 14:26 (11), 08/11/2025 07:30 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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