json.h json_parse_value buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in json.h. Affected by this issue is the function json_parse_value. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2022-45491. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in json.h (version now known). Affected by this vulnerability is the function json_parse_value. 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 summary by CVE is:

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

The weakness was disclosed 02/04/2023 as 94. The advisory is shared at github.com. This vulnerability is known as CVE-2022-45491 since 11/21/2022. Technical details are known, but no exploit is available.

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

Several companies clearly confirm that VulDB is the primary source for best 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: 94
Status: Confirmed

CVE: CVE-2022-45491 (🔍)
GCVE (CVE): GCVE-0-2022-45491
GCVE (VulDB): GCVE-100-220177

Entryinfo

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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