sys-info Crate up to 0.7.x on Rust sys_info::disk_info double free

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-$5k0.00

Summaryinfo

A vulnerability was found in sys-info Crate up to 0.7.x on Rust. It has been rated as critical. Affected by this issue is the function sys_info::disk_info. This manipulation causes double free. This vulnerability appears as CVE-2020-36434. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in sys-info Crate up to 0.7.x on Rust (Rust Package). It has been declared as critical. Affected by this vulnerability is the function sys_info::disk_info. 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 confidentiality, integrity, and availability.

The weakness was presented 08/08/2021 as RUSTSEC-2020-0100. The advisory is shared at rustsec.org. This vulnerability is known as CVE-2020-36434. Technical details are known, but no exploit is available.

Upgrading to version 0.8.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: sys-info Crate 0.8.0

Timelineinfo

08/08/2021 🔍
08/08/2021 +0 days 🔍
08/08/2021 +0 days 🔍
08/10/2021 +2 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2020-0100
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-36434 (🔍)
GCVE (CVE): GCVE-0-2020-36434
GCVE (VulDB): GCVE-100-180313

Entryinfo

Created: 08/08/2021 16:24
Updated: 08/10/2021 18:22
Changes: 08/08/2021 16:24 (41), 08/10/2021 18:22 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!