VDB-201519 · CVE-2022-29255 · GHSA-4v9q-cgpw-cf38

Vyper up to 0.3.3 Contract Address control flow

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Vyper up to 0.3.3 and classified as critical. Affected is an unknown function of the component Contract Address Handler. Performing a manipulation results in control flow. This vulnerability is cataloged as CVE-2022-29255. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Vyper up to 0.3.3. This affects an unknown part of the component Contract Address Handler. The manipulation with an unknown input leads to a control flow vulnerability. CWE is classifying the issue as CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. This is going to have an impact on integrity, and availability.

The weakness was shared 06/09/2022 as GHSA-4v9q-cgpw-cf38. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-29255 since 04/13/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.3.4 eliminates this vulnerability. Applying the patch 6b4d8ff185de071252feaa1c319712b2d6577f8d 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.

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Productinfo

Name

Vyper

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Control flow
CWE: CWE-670
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Vyper 0.3.4
Patch: 6b4d8ff185de071252feaa1c319712b2d6577f8d

Timelineinfo

04/13/2022 🔍
06/09/2022 +57 days 🔍
06/09/2022 +0 days 🔍
06/11/2022 +2 days 🔍

Sourcesinfo

Advisory: GHSA-4v9q-cgpw-cf38
Status: Confirmed

CVE: CVE-2022-29255 (🔍)
GCVE (CVE): GCVE-0-2022-29255
GCVE (VulDB): GCVE-100-201519

Entryinfo

Created: 06/09/2022 15:09
Updated: 06/11/2022 13:17
Changes: 06/09/2022 15:09 (51), 06/11/2022 13:17 (1)
Complete: 🔍
Cache ID: 216::103