VDB-185299 · CVE-2021-42556 · GHSA-vp2h-j6px-56rc

Rasa X up to 0.42.3 Archive Extraction pathname traversal

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Rasa X up to 0.42.3. This issue affects some unknown processing of the component Archive Extraction Handler. This manipulation causes pathname traversal. The identification of this vulnerability is CVE-2021-42556. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Rasa X up to 0.42.3. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Archive Extraction Handler. The manipulation with an unknown input leads to a pathname traversal vulnerability. The CWE definition for the vulnerability is CWE-21. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 10/24/2021 as GHSA-vp2h-j6px-56rc. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-42556 since 10/18/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 0.42.4 eliminates this vulnerability.

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Productinfo

Name

Rasa X

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
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: Rasa X 0.42.4

Timelineinfo

10/18/2021 🔍
10/24/2021 +6 days 🔍
10/24/2021 +0 days 🔍
10/29/2021 +5 days 🔍

Sourcesinfo

Advisory: GHSA-vp2h-j6px-56rc
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-42556 (🔍)
GCVE (CVE): GCVE-0-2021-42556
GCVE (VulDB): GCVE-100-185299

Entryinfo

Created: 10/24/2021 08:44
Updated: 10/29/2021 18:34
Changes: 10/24/2021 08:44 (39), 10/29/2021 18:34 (2)
Complete: 🔍
Cache ID: 216::103