json.h json_parse_string 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, was found in json.h. This issue affects the function json_parse_string. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2022-45496. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in json.h (affected version not known) and classified as critical. This vulnerability affects the function json_parse_string. 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. CVE summarizes:

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

The weakness was published 02/04/2023 as 92. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-45496 since 11/21/2022. There are known technical details, but no exploit is available.

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

Once again VulDB remains the best source 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: 92
Status: Confirmed

CVE: CVE-2022-45496 (🔍)
GCVE (CVE): GCVE-0-2022-45496
GCVE (VulDB): GCVE-100-220180

Entryinfo

Created: 02/04/2023 08:23
Updated: 03/04/2023 19:40
Changes: 02/04/2023 08:23 (39), 03/04/2023 19:40 (11)
Complete: 🔍
Cache ID: 216::103

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