SB2017012406 - Red Hat update for squid

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2016-1000233)

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

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "url" HTTP parameter, when "Content-Type" header is set to "application/javascript". A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary JavaScript 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-2016-1000229)

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the url query string parameter. 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) Cross-site scripting (CVE-ID: CVE-2016-1000226)

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

The vulnerability exists due to insufficient sanitization of user-supplied data in Consumes/Produces Parameter. 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.

Example:

http://[host]/swagger-ui/index.html?url=http://<MALICIOUS_HOSTNAME>/malicious-swagger-file.json

4) Cross-site scripting (CVE-ID: CVE-2016-1000239)

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

The vulnerability exists due to insufficient sanitization of user-supplied data via the url query string parameter. 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.

5) Information disclosure (CVE-ID: CVE-2016-10002)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to incorrect HTTP conditional request handling. A remote attacker can obtain private and sensitive information about another clients browsing session, including user's credentials.

Successful exploitation of the vulnerability may allow an attacker to obtain potentially sensitive information.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2017:0182