cisco-sa-jabber-G3NSjPn7: Cisco Jabber for Windows Universal Naming Convention Link Handling Vulnerability
First published: Wed Sep 02 2020(Updated: )
A vulnerability in Cisco Jabber for Windows software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages that contain Universal Naming Convention (UNC) links to a targeted user and convincing the user to follow the provided link. A successful exploit could allow the attacker to cause the application to access a remote system, possibly allowing the attacker to gain access to sensitive information that the attacker could use in additional attacks. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-G3NSjPn7
Credit: Torjus Bryne Retterstøl WatchcomOlav Sortland Thoresen Watchcom
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Jabber for Windows | =12.9<12.9.1=12.8<12.8.3=12.7<12.7.2=12.6<12.6.3=12.5<12.5.2=12.1<12.1.3 | 12.9.1 12.8.3 12.7.2 12.6.3 12.5.2 12.1.3 |
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Reference Links
Frequently Asked Questions
What is Cisco Jabber for Windows Universal Naming Convention Link Handling vulnerability?
Cisco Jabber for Windows Universal Naming Convention Link Handling vulnerability is a vulnerability in Cisco Jabber for Windows software that could allow an authenticated, remote attacker to gain access to sensitive information.
How does the vulnerability occur?
The vulnerability occurs due to improper validation of message contents in Cisco Jabber for Windows software.
What is the severity of Cisco Jabber for Windows Universal Naming Convention Link Handling vulnerability?
The severity of Cisco Jabber for Windows Universal Naming Convention Link Handling vulnerability is medium with a CVSS score of 5.7.
Which versions of Cisco Jabber for Windows are affected by this vulnerability?
The following versions of Cisco Jabber for Windows are affected: 12.9 up to, but excluding, 12.9.1; 12.8 up to, but excluding, 12.8.3; 12.7 up to, but excluding, 12.7.2; 12.6 up to, but excluding, 12.6.3; 12.5 up to, but excluding, 12.5.2; 12.1 up to, but excluding, 12.1.3.
How can the vulnerability in Cisco Jabber for Windows be exploited?
The vulnerability in Cisco Jabber for Windows can be exploited by sending specially crafted messages.
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/cisco-advisory
- source/Cisco
- agent/software-canonical-lookup
- agent/title
- agent/severity
- agent/references
- agent/author
- agent/weakness
- agent/tags
- agent/event
- agent/description
- vendor/cisco
- canonical/cisco jabber for windows
- version/cisco jabber for windows/12.9
- version/cisco jabber for windows/12.8
- version/cisco jabber for windows/12.7
- version/cisco jabber for windows/12.6
- version/cisco jabber for windows/12.5
- version/cisco jabber for windows/12.1