Standard Library up to 1.50.2 on Rust String Join uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Standard Library up to 1.50.2 on Rust. Affected by this issue is some unknown functionality of the component String Join Handler. Executing a manipulation can lead to uninitialized pointer. This vulnerability is registered as CVE-2020-36323. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Standard Library up to 1.50.2 on Rust (Software Library) and classified as problematic. This vulnerability affects an unknown functionality of the component String Join Handler. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. The CWE definition for the vulnerability is CWE-824. The product accesses or uses a pointer that has not been initialized. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 04/14/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2020-36323. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236569 (Alibaba Cloud Linux 3 : 0061: rust-toolset:rhel8 (ALINUX3-SA-2021:0061)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.50.3 eliminates this vulnerability. Applying a patch 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.

The vulnerability is also documented in the vulnerability database at Tenable (236569). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236569
Nessus Name: Alibaba Cloud Linux 3 : 0061: rust-toolset:rhel8 (ALINUX3-SA-2021:0061)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Standard Library 1.50.3
Patch: github.com

Timelineinfo

04/14/2021 🔍
04/14/2021 +0 days 🔍
04/14/2021 +0 days 🔍
05/21/2025 +1498 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-36323 (🔍)
GCVE (CVE): GCVE-0-2020-36323
GCVE (VulDB): GCVE-100-173020

Entryinfo

Created: 04/14/2021 13:02
Updated: 05/21/2025 20:15
Changes: 04/14/2021 13:02 (39), 04/17/2021 20:08 (5), 05/21/2025 20:15 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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