VDB-194076 · CVE-2022-23640 · GHSA-xvm2-9xvc-hx7f

Excel-Streaming-Reader up to 2.0.x XML Parser xml external entity reference

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Excel-Streaming-Reader up to 2.0.x. This vulnerability affects unknown code of the component XML Parser. The manipulation results in xml external entity reference. This vulnerability is identified as CVE-2022-23640. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Excel-Streaming-Reader up to 2.0.x. Affected is an unknown functionality of the component XML Parser. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 03/03/2022 as GHSA-xvm2-9xvc-hx7f. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2022-23640 since 01/19/2022. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.1.0 eliminates this vulnerability. Applying the patch 0749c7b9709db078ccdeada16d46a34bc2910c73 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Excel-Streaming-Reader

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
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: Excel-Streaming-Reader 2.1.0
Patch: 0749c7b9709db078ccdeada16d46a34bc2910c73

Timelineinfo

01/19/2022 🔍
03/03/2022 +43 days 🔍
03/03/2022 +0 days 🔍
03/04/2022 +1 days 🔍

Sourcesinfo

Advisory: GHSA-xvm2-9xvc-hx7f
Status: Confirmed

CVE: CVE-2022-23640 (🔍)
GCVE (CVE): GCVE-0-2022-23640
GCVE (VulDB): GCVE-100-194076

Entryinfo

Created: 03/03/2022 06:49
Updated: 03/04/2022 14:41
Changes: 03/03/2022 06:49 (50), 03/04/2022 14:41 (1)
Complete: 🔍
Cache ID: 216::103