Shirasagi up to 1.17.x Unicode Character unicode encoding

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Shirasagi up to 1.17.x. Affected is an unknown function of the component Unicode Character Handler. The manipulation leads to improper handling of unicode encoding. This vulnerability is listed as CVE-2023-41889. The attack may be initiated remotely. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Shirasagi up to 1.17.x. This issue affects some unknown functionality of the component Unicode Character Handler. The manipulation with an unknown input leads to a improper handling of unicode encoding vulnerability. Using CWE to declare the problem leads to CWE-176. The product does not properly handle when an input contains Unicode encoding. Impacted is integrity. The summary by CVE is:

SHIRASAGI is a Content Management System. Prior to version 1.18.0, SHIRASAGI is vulnerable to a Post-Unicode normalization issue. This happens when a logical validation or a security check is performed before a Unicode normalization. The Unicode character equivalent of a character would resurface after the normalization. The fix is initially performing the Unicode normalization and then strip for all whitespaces and then checking for a blank string. This issue has been fixed in version 1.18.0.

The weakness was presented 09/16/2023 as GHSA-xr45-c2jv-2v9r. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-41889 since 09/04/2023. Technical details are unknown but a public exploit is available.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 1.18.0 eliminates this vulnerability.

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

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper handling of unicode encoding
CWE: CWE-176 / CWE-172
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: Shirasagi 1.18.0

Timelineinfo

09/04/2023 🔍
09/16/2023 +12 days 🔍
09/16/2023 +0 days 🔍
09/16/2023 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-xr45-c2jv-2v9r
Status: Confirmed

CVE: CVE-2023-41889 (🔍)
GCVE (CVE): GCVE-0-2023-41889
GCVE (VulDB): GCVE-100-239843
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/16/2023 08:30
Changes: 09/16/2023 08:30 (52)
Complete: 🔍
Cache ID: 216::103

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