json.h json_parse_key buffer overflow

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in json.h. This vulnerability affects the function json_parse_key. Performing a manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2022-45493. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in json.h (affected version unknown). This affects the function json_parse_key. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was shared 02/04/2023 as GHSA-r2mm-2f4c-6243. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-45493 since 11/21/2022. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 0825301a07cbf51653882bf2b153cc81fdadf41 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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: Buffer overflow
CWE: CWE-120 / 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: 🔍

Patch: 0825301a07cbf51653882bf2b153cc81fdadf41

Timelineinfo

11/21/2022 🔍
02/04/2023 +75 days 🔍
02/04/2023 +0 days 🔍
03/04/2023 +28 days 🔍

Sourcesinfo

Advisory: GHSA-r2mm-2f4c-6243
Status: Confirmed

CVE: CVE-2022-45493 (🔍)
GCVE (CVE): GCVE-0-2022-45493
GCVE (VulDB): GCVE-100-220179

Entryinfo

Created: 02/04/2023 08:22
Updated: 03/04/2023 19:34
Changes: 02/04/2023 08:22 (39), 03/04/2023 19:34 (11)
Complete: 🔍
Cache ID: 216::103

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