SB2017081126 - Multiple vulnerabilities in Symantec Messaging Gateway

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2017-6327)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator on the local network can execute arbitrary code on the system.

2) Cross-site request forgery (CVE-ID: CVE-2017-6328)

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker on the local network can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Remediation

Install update from vendor's website.

References

• http://seclists.org/fulldisclosure/2017/Aug/28
• http://www.securityfocus.com/bid/100135
• https://www.exploit-db.com/exploits/42519/
• https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00
• http://www.securityfocus.com/bid/100136