VDB-174364 · CVE-2021-31919 · RUSTSEC-2021-0054

rkyv Crate up to 0.5.x Archive uninitialized pointer

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in rkyv Crate up to 0.5.x. This vulnerability affects unknown code of the component Archive Handler. Executing a manipulation can lead to uninitialized pointer. The identification of this vulnerability is CVE-2021-31919. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in rkyv Crate up to 0.5.x (Rust Package). It has been declared as problematic. This vulnerability affects an unknown functionality of the component Archive 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. The impact remains unknown.

The weakness was shared 04/30/2021 as RUSTSEC-2021-0054. The advisory is shared for download at rustsec.org. This vulnerability was named CVE-2021-31919. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.6.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Rust Package

Name

rkyv Crate

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: rkyv Crate 0.6.0

Timelineinfo

04/30/2021 🔍
04/30/2021 +0 days 🔍
04/30/2021 +0 days 🔍
05/03/2021 +3 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2021-0054
Status: Confirmed

CVE: CVE-2021-31919 (🔍)
GCVE (CVE): GCVE-0-2021-31919
GCVE (VulDB): GCVE-100-174364

Entryinfo

Created: 04/30/2021 07:48
Updated: 05/03/2021 20:56
Changes: 04/30/2021 07:48 (38), 05/03/2021 20:56 (5)
Complete: 🔍
Cache ID: 216::103