SB2017113008 - Multiple vulnerabilities in Cisco Jabber
Published: November 30, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2017-12358)
The disclosed vulnerability allows a remote authenticated attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in the web-based management interface due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Cross-site scripting (CVE-ID: CVE-2017-12356)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in the web-based management interface due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
3) Information disclosure (CVE-ID: CVE-2017-12361)
The disclosed vulnerability allows a local attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to the way Cisco Jabber for Windows handles random number generation for file folders. A local attacker can fix the random number data used to establish Secure Sockets Layer (SSL) connections between clients and decrypt secure communications made by the Cisco Jabber for Windows client.
Successful exploitation of the vulnerability may result in further attacks.
Remediation
Install update from vendor's website.