KylinSoft youker-assistant prior 3.0.2-0kylin6k70-23 on KylinOS restore_all_sound_file path 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.
5.4$0-$5k0.13

A vulnerability classified as critical has been found in KylinSoft youker-assistant on KylinOS. Affected is the function restore_all_sound_file. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-24. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory. This is going to have an impact on integrity, and availability.

The weakness was presented 06/05/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-3098. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

Upgrading to version 3.0.2-0kylin6k70-23 eliminates this vulnerability.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 4.4
CNA Vector (VulDB): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔒

Exploitinginfo

Class: Path traversal
CWE: CWE-24 / CWE-23 / CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Local: Yes
Remote: No

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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: youker-assistant 3.0.2-0kylin6k70-23

Timelineinfo

06/05/2023 Advisory disclosed
06/05/2023 +0 days CVE reserved
06/05/2023 +0 days VulDB entry created
06/30/2023 +25 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-3098 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/05/2023 07:13
Updated: 06/30/2023 08:32
Changes: 06/05/2023 07:13 (43), 06/30/2023 08:28 (2), 06/30/2023 08:32 (28)
Complete: 🔍
Submitter: Set3r.Pan

Submitinfo

Accepted

  • Submit #159378: Kylin OS youker-assistant arbitrary file write vuln (by Set3r.Pan)

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!