Information disclosure in Cisco WebEx Meetings Server
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-18895 |
| CWE-ID | CWE-611 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco WebEx Meetings Server Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) XXE attack
EUVDB-ID: #VU15811
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-18895
CWE-ID:
CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to conduct XXE-attack.
The vulnerability exists in the '/WBXServixe/XMLService' path name and 'siteName' parameters due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into open an XML file that submits malicious input and obtain potentially sensitive information.
MitigationUpdate to version 2.8MR3, 3.0MR2 patch 1, or the upcoming 4.0.
Vulnerable software versionsCisco WebEx Meetings Server: 2.8
External linkshttp://seclists.org/fulldisclosure/2018/Nov/0
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.
