VDB-217035 · CVE-2022-4848 · GCVE-0-2022-4848

usememos up to 0.9.0 verification of source

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in usememos memos up to 0.9.0. It has been rated as critical. Impacted is an unknown function. Performing a manipulation results in verification of source. This vulnerability is known as CVE-2022-4848. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in usememos memos up to 0.9.0. This affects an unknown function. The manipulation with an unknown input leads to a verification of source vulnerability. CWE is classifying the issue as CWE-940. The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.

The weakness was published 12/30/2022. It is possible to read the advisory at huntr.dev. This vulnerability is uniquely identified as CVE-2022-4848 since 12/29/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.9.1 eliminates this vulnerability. Applying the patch c9bb2b785dc5852655405d5c9ab127a2d5aa3948 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

usememos

Name

memos

Version

License

open-source

Website

Product: https://github.com/usememos/memos/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (huntr.dev): 🔍

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: Verification of source
CWE: CWE-940
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: memos 0.9.1
Patch: c9bb2b785dc5852655405d5c9ab127a2d5aa3948

Timelineinfo

12/29/2022 🔍
12/30/2022 +1 days 🔍
12/30/2022 +0 days 🔍
01/26/2023 +27 days 🔍

Sourcesinfo

Product: github.com

Advisory: c9bb2b785dc5852655405d5c9ab127a2d5aa3948
Status: Confirmed

CVE: CVE-2022-4848 (🔍)
GCVE (CVE): GCVE-0-2022-4848
GCVE (VulDB): GCVE-100-217035

Entryinfo

Created: 12/30/2022 11:51
Updated: 01/26/2023 07:21
Changes: 12/30/2022 11:51 (50), 01/26/2023 07:21 (1)
Complete: 🔍
Cache ID: 216::103