KylinSoft youker-assistant prior 3.0.2-0kylin6k70-23 on KylinOS Arbitrary File dbus.SystemBus delete_file access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.69 |
Summary
A vulnerability marked as critical has been reported in KylinSoft youker-assistant on KylinOS. This affects the function delete_file in the library dbus.SystemBus of the component Arbitrary File Handler. This manipulation causes access control.
The identification of this vulnerability is CVE-2023-3099. The attack can only be executed locally. Furthermore, there is an exploit available.
It is suggested to upgrade the affected component.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability classified as critical was found in KylinSoft youker-assistant on KylinOS. Affected by this vulnerability is the function delete_file in the library dbus.SystemBus of the component Arbitrary File Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity, and availability.
The weakness was shared 06/05/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2023-3099. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.
It is possible to download the exploit 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.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.1
NVD Vector: 🔍
CNA Base Score: 4.4
CNA Vector (VulDB): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: youker-assistant 3.0.2-0kylin6k70-23
Timeline
06/05/2023 🔍06/05/2023 🔍
06/05/2023 🔍
06/30/2023 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2023-3099 (🔍)
GCVE (CVE): GCVE-0-2023-3099
GCVE (VulDB): GCVE-100-230689
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/05/2023 07:13Updated: 06/30/2023 08:35
Changes: 06/05/2023 07:13 (45), 06/30/2023 08:32 (2), 06/30/2023 08:35 (28)
Complete: 🔍
Submitter: Set3r.Pan
Cache ID: 216::103
Submit
Accepted
- Submit #159379: Kylin OS youker-assistant arbitrary file delete vuln (by Set3r.Pan)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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