sheredom json.h json_parse_object heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in sheredom json.h. This affects the function json_parse_object. The manipulation results in heap-based overflow. This vulnerability is known as CVE-2022-45494. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in sheredom json.h (version unknown). Affected is the function json_parse_object. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow vulnerability in function json_parse_object in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

The weakness was published 02/01/2023 as 93. The advisory is available at github.com. This vulnerability is traded as CVE-2022-45494 since 11/21/2022. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/21/2022 🔍
02/01/2023 +72 days 🔍
02/01/2023 +0 days 🔍
03/27/2025 +785 days 🔍

Sourcesinfo

Advisory: 93
Status: Confirmed

CVE: CVE-2022-45494 (🔍)
GCVE (CVE): GCVE-0-2022-45494
GCVE (VulDB): GCVE-100-219870

Entryinfo

Created: 02/01/2023 02:42
Updated: 03/27/2025 23:54
Changes: 02/01/2023 02:42 (39), 03/01/2023 07:55 (11), 03/27/2025 23:54 (16)
Complete: 🔍
Cache ID: 216::103

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