Zoom Client up to 2.0 on Linux zoommtg:/ Scheme ZoomLauncher memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

A vulnerability, which was classified as critical, was found in Zoom Client up to 2.0 on Linux (Unified Communication Software). Affected is some unknown processing of the file ZoomLauncher of the component zoommtg:/ Scheme Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 allows remote attackers to execute arbitrary code by leveraging the zoommtg:// scheme handler.

The bug was discovered 10/01/2017. The weakness was disclosed 12/19/2017 as confirmed mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability is traded as CVE-2017-15048 since 10/05/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed by Conviso and been published before and not just after the advisory. The exploit is shared for download 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 79 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 (43355). The entry 110803 is pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Conviso
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Client 2.0.115900.1201

Timelineinfo

10/01/2017 🔍
10/05/2017 +4 days 🔍
12/18/2017 +74 days 🔍
12/18/2017 +0 days 🔍
12/19/2017 +1 days 🔍
12/19/2017 +0 days 🔍
12/20/2017 +1 days 🔍
01/18/2023 +1855 days 🔍

Sourcesinfo

Advisory: 145452
Status: Confirmed

CVE: CVE-2017-15048 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/20/2017 07:54
Updated: 01/18/2023 11:28
Changes: 12/20/2017 07:54 (70), 12/17/2019 16:19 (1), 01/18/2023 11:28 (4)
Complete: 🔍

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