SB2017080306 - Multiple vulnerabilities in Cisco Adaptive Security Appliance



SB2017080306 - Multiple vulnerabilities in Cisco Adaptive Security Appliance

Published: August 3, 2017

Security Bulletin ID SB2017080306
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2017-6752)

The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists in the web interface of the Cisco Adaptive Security Appliance (ASA) due to the interaction between Lightweight Directory Access Protocol (LDAP) and SSL Connection Profile when they are configured together. A remote attacker can perform a username enumeration attack to the IP address of the device, determine valid usernames and conduct additional reconnaissance attacks.

Successful exploitation of the vulnerability results in information disclosure.

2) Cross-site scripting (CVE-ID: CVE-2017-6764)

The disclosed vulnerability allows a remote authenticated attacker to perform cross-site scripting (XSS) attacks.

The vulnerability is caused by incorrect filtration of input data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security 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) Cross-site scripting (CVE-ID: CVE-2017-6765)

The disclosed vulnerability allows a remote unauthenticated attacker to perform cross-site scripting (XSS) attacks.

The vulnerability is caused by incorrect filtration of input data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security 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.

Remediation

Install update from vendor's website.