VDB-227738 · CVE-2023-30858 · GHSA-w2xx-hjhp-gx5v

Denosaurs emoji up to 0.2.0 reTrimSpace Regex redos

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Denosaurs emoji up to 0.2.0. Impacted is an unknown function of the component reTrimSpace Regex Handler. Such manipulation leads to redos. This vulnerability is listed as CVE-2023-30858. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Denosaurs emoji up to 0.2.0. Affected by this issue is an unknown function of the component reTrimSpace Regex Handler. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability. CVE summarizes:

The Denosaurs emoji package provides emojis for dinosaurs. Starting in version 0.1.0 and prior to version 0.3.0, the reTrimSpace regex has 2nd degree polynomial inefficiency, leading to a delayed response given a big payload. The issue has been patched in 0.3.0. As a workaround, avoid using the `replace`, `unemojify`, or `strip` functions.

The weakness was presented 04/29/2023 as GHSA-w2xx-hjhp-gx5v. The advisory is available at github.com. This vulnerability is handled as CVE-2023-30858 since 04/18/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1449.003 by the MITRE ATT&CK project.

Upgrading to version 0.3.0 eliminates this vulnerability. Applying a patch 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Denosaurs

Name

emoji

Version

Website

Product: https://github.com/denosaurs/emoji/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
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: emoji 0.3.0
Patch: github.com

Timelineinfo

04/18/2023 🔍
04/29/2023 +11 days 🔍
04/29/2023 +0 days 🔍
04/29/2023 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-w2xx-hjhp-gx5v
Status: Confirmed

CVE: CVE-2023-30858 (🔍)
GCVE (CVE): GCVE-0-2023-30858
GCVE (VulDB): GCVE-100-227738

Entryinfo

Created: 04/29/2023 08:30
Changes: 04/29/2023 08:30 (51)
Complete: 🔍
Cache ID: 216::103