SB2017101906 - Multiple vulnerabilities in Cisco IOS XE
Published: October 19, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2017-12272)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in the web framework code of Cisco IOS XE Software 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) Information disclosure (CVE-ID: CVE-2017-12289)
The disclosed vulnerability allows a local privileged attacker to obtain potentially sensitive information.
The vulnerability exists in conditional, verbose debug logging for the IPsec feature of Cisco IOS XE Software due to incorrect implementation of IPsec conditional, verbose debug logging that causes sensitive information to be written to the log file. A local attacker with administrative credentials can authenticate to the device and enable conditional, verbose debug logging for IPsec to access sensitive information related to the IPsec configuration.
Successful exploitation of the vulnerability results in information disclosure.
Remediation
Install update from vendor's website.