UltraJSON 5.3.x Internal Decoder double free

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in UltraJSON 5.3.x and classified as critical. The affected element is an unknown function of the component Internal Decoder. Executing a manipulation can lead to double free. This vulnerability is tracked as CVE-2022-31117. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in UltraJSON 5.3.x and classified as critical. This vulnerability affects an unknown code of the component Internal Decoder. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect availability. CVE summarizes:

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is impossible to trigger from Python. This issue has been resolved in version 5.4.0 and all users should upgrade to UltraJSON 5.4.0. There are no known workarounds for this issue.

The weakness was disclosed 07/05/2022 as GHSA-fm67-cv37-96ff. The advisory is available at github.com. This vulnerability was named CVE-2022-31117 since 05/18/2022. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 5.4.0 eliminates this vulnerability. Applying the patch 9c20de0f77b391093967e25d01fb48671104b15b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: UltraJSON 5.4.0
Patch: 9c20de0f77b391093967e25d01fb48671104b15b

Timelineinfo

05/18/2022 🔍
07/05/2022 +48 days 🔍
07/05/2022 +0 days 🔍
07/19/2022 +14 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-fm67-cv37-96ff
Status: Confirmed

CVE: CVE-2022-31117 (🔍)
GCVE (CVE): GCVE-0-2022-31117
GCVE (VulDB): GCVE-100-203242

Entryinfo

Created: 07/05/2022 23:12
Updated: 07/19/2022 09:53
Changes: 07/05/2022 23:12 (42), 07/19/2022 09:53 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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