Remote code execution in Cisco Webex Network Recording Player



Published: 2018-09-20
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2018-15414
CVE-2018-15421
CVE-2018-15422
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Meeting Server
Client/Desktop applications / Multimedia software

Cisco WebEx Meetings Player
Client/Desktop applications / Multimedia software

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU14811

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15414

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Cisco Webex Network Recording Player for Advanced Recording Format (ARF) files. A remote attacker can create a specially crafted ARF file, trick the victim into opening it with Cisco Webex Player, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Meeting Server: 2.6

Cisco WebEx Meetings Player: T31.10 - T31.20

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180919-webex
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63717
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63724
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63729


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU14812

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15421

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Cisco Webex Network Recording Player for Advanced Recording Format (ARF) files. A remote attacker can create a specially crafted ARF file, trick the victim into opening it with Cisco Webex Player, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Meeting Server: 2.6

Cisco WebEx Meetings Player: T31.10 - T31.20

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180919-webex
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj67334
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj67339
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj67344


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Buffer overflow

EUVDB-ID: #VU14813

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15422

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Cisco Webex Network Recording Player for Advanced Recording Format (ARF) files. A remote attacker can create a specially crafted ARF file, trick the victim into opening it with Cisco Webex Player, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Meeting Server: 2.6

Cisco WebEx Meetings Player: T31.20 - T33.3.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180919-webex
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63665
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63672
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63676


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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