VDB-168700 · CVE-2020-36205 · RUSTSEC-2020-0097

xcb Crate up to 2020-12-10 on Rust Error base::Error ptr use after 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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in xcb Crate up to 2020-12-10 on Rust. This issue affects the function base::Error of the component Error Handler. Executing a manipulation of the argument ptr can lead to use after free. This vulnerability is registered as CVE-2020-36205. No exploit is available.

Detailsinfo

A vulnerability has been found in xcb Crate up to 2020-12-10 on Rust (Rust Package) and classified as critical. This vulnerability affects the function base::Error of the component Error Handler. The manipulation of the argument ptr with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 01/27/2021 as RUSTSEC-2020-0097. The advisory is shared for download at rustsec.org. This vulnerability was named CVE-2020-36205. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Rust Package

Name

xcb Crate

Version

2020-12-10

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2021 🔍
01/27/2021 +5 days 🔍
01/27/2021 +0 days 🔍
02/20/2021 +23 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2020-0097
Status: Not defined

CVE: CVE-2020-36205 (🔍)
GCVE (CVE): GCVE-0-2020-36205
GCVE (VulDB): GCVE-100-168700

Entryinfo

Created: 01/27/2021 09:27
Updated: 02/20/2021 00:04
Changes: 01/27/2021 09:27 (40), 02/20/2021 00:01 (2), 02/20/2021 00:04 (16)
Complete: 🔍
Cache ID: 216::103