VDB-130216 · CVE-2019-1637 · BID 106704

Cisco WebEx Network Recording Player/Webex Player on Windows memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco WebEx Network Recording Player and Webex Player on Windows. This impacts an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2019-1637. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Cisco WebEx Network Recording Player and Webex Player on Windows (Unified Communication Software) (affected version not known) and classified as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file via a link or email attachment and persuading the user to open the file with the affected software. Successful exploitation could allow the attacker to execute arbitrary code on the affected system.

The bug was discovered 01/23/2019. The weakness was released 01/23/2019 by Kushal Arvind Shah with Zero Day Initiative as cisco-sa-20190123-webex-rce as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2019-1637 since 12/06/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/05/2020).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371596 (Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities(cisco-sa-20190123-webex-rce)).

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106704†). Entries connected to this vulnerability are available at VDB-130217, VDB-130218, VDB-130219 and VDB-130220. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
01/23/2019 +48 days 🔍
01/23/2019 +0 days 🔍
01/23/2019 +0 days 🔍
01/23/2019 +0 days 🔍
01/24/2019 +1 days 🔍
05/05/2020 +467 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190123-webex-rce
Researcher: Kushal Arvind Shah
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-1637 (🔍)
GCVE (CVE): GCVE-0-2019-1637
GCVE (VulDB): GCVE-100-130216
SecurityFocus: 106704 - Cisco WebEx Network Recording Player Multiple Remote Code Execution Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/24/2019 15:23
Updated: 05/05/2020 20:17
Changes: 01/24/2019 15:23 (62), 05/05/2020 20:17 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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