Electrum up to 4.2.1 file URL paymentrequest.py r privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Electrum up to 4.2.1. The affected element is an unknown function of the file paymentrequest.py of the component file URL Handler. This manipulation of the argument r causes an unknown weakness. This vulnerability is handled as CVE-2022-31246. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Electrum up to 4.2.1 and classified as problematic. Affected by this vulnerability is some unknown functionality of the file paymentrequest.py of the component file URL Handler. The manipulation of the argument r with an unknown input leads to a unknown weakness. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.

The weakness was released 06/17/2022 as GHSA-4fh4-hx35-r355. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-31246 since 05/20/2022. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.2.2 eliminates this vulnerability.

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Productinfo

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: Privilege escalation
CWE: Unknown
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Electrum 4.2.2

Timelineinfo

05/20/2022 🔍
06/17/2022 +28 days 🔍
06/17/2022 +0 days 🔍
06/17/2022 +0 days 🔍

Sourcesinfo

Advisory: GHSA-4fh4-hx35-r355
Status: Confirmed

CVE: CVE-2022-31246 (🔍)
GCVE (CVE): GCVE-0-2022-31246
GCVE (VulDB): GCVE-100-202351

Entryinfo

Created: 06/17/2022 19:19
Changes: 06/17/2022 19:19 (41)
Complete: 🔍
Cache ID: 216::103

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