Zoom Client up to 2.0 on Linux zoommtg:/ Scheme ZoomLauncher os command injection
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.7 | $0-$5k | 0.00 |
A vulnerability has been found in Zoom Client up to 2.0 on Linux (Unified Communication Software) and classified as critical. Affected by this vulnerability is an unknown function of the file ZoomLauncher of the component zoommtg:/ Scheme Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not properly sanitize user input when constructing a shell command, which allows remote attackers to execute arbitrary code by leveraging the zoommtg:// scheme handler.
The bug was discovered 12/17/2017. The weakness was presented 12/19/2017 as confirmed mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2017-15049 since 10/05/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.
A public exploit has been developed by Conviso and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 2.0.115900.1201 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (43354). See 110802 for similar entry.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.7
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-74 / CWE-707
ATT&CK: T1202
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Conviso
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 |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Client 2.0.115900.1201
Timeline
10/05/2017 🔍12/17/2017 🔍
12/18/2017 🔍
12/18/2017 🔍
12/19/2017 🔍
12/19/2017 🔍
12/20/2017 🔍
01/18/2023 🔍
Sources
Advisory: 145453Status: Confirmed
CVE: CVE-2017-15049 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 12/20/2017 07:54Updated: 01/18/2023 11:35
Changes: 12/20/2017 07:54 (70), 12/17/2019 16:28 (1), 01/18/2023 11:35 (4)
Complete: 🔍
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