VDB-248940 · Submit #253668 · CVE-2023-7093

KylinSoft kylin-system-updater up to 2.0.5.16-0k2.33 com.kylin.systemupgrade Service UpgradeStrategiesDbus.py SetDownloadspeedMax os command injection

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.
6.0	$0-$5k	0.79

Summaryinfo

A vulnerability was found in KylinSoft kylin-system-updater up to 2.0.5.16-0k2.33. It has been declared as critical. Affected is an unknown function of the file /usr/share/kylin-system-updater/SystemUpdater/UpgradeStrategiesDbus.py of the component com.kylin.systemupgrade Service. The manipulation of the argument SetDownloadspeedMax results in os command injection. This vulnerability is known as CVE-2023-7093. Attacking locally is a requirement. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical has been found in KylinSoft kylin-system-updater up to 2.0.5.16-0k2.33. Affected is some unknown processing of the file /usr/share/kylin-system-updater/SystemUpdater/UpgradeStrategiesDbus.py of the component com.kylin.systemupgrade Service. The manipulation of the argument SetDownloadspeedMax with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 12/24/2023. The advisory is shared for download at note.zhaoj.in. This vulnerability is traded as CVE-2023-7093. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

KylinSoft

Name

kylin-system-updater

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (VulDB): 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/24/2023 🔍
12/24/2023 +0 days 🔍
12/24/2023 +0 days 🔍
01/18/2024 +25 days 🔍

Sourcesinfo

Advisory: note.zhaoj.in
Status: Not defined

CVE: CVE-2023-7093 (🔍)
GCVE (CVE): GCVE-0-2023-7093
GCVE (VulDB): GCVE-100-248940
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/24/2023 09:09
Updated: 01/18/2024 15:58
Changes: 12/24/2023 09:09 (43), 01/18/2024 15:53 (2), 01/18/2024 15:58 (28)
Complete: 🔍
Submitter: glzjin
Cache ID: 216::103

Submitinfo

Accepted

Submit #253668: KylinSoft kylin-system-updater ≤ 2.0.5.16-0k2.33 local privilege escalation (by glzjin)