Multiple vulnerabilities in Symantec ASG and ProxySG
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2016-9100 CVE-2016-9099 CVE-2016-10256 CVE-2016-10257 |
| CWE-ID | CWE-200 CWE-601 CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Advanced Secure Gateway Client/Desktop applications / Antivirus software/Personal firewalls ProxySG Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | Broadcom |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Information disclosure
EUVDB-ID: #VU9924
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-9100
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists in the ASG and
ProxySG management consoles due to improper access control. A remote attacker with access to the client host of an authenticated administrator with access to the client host of an authenticated administrator can obtain sensitive authentication credential information.
Update to version 6.6.5.13 or 6.7.3.1.
Vulnerable software versionsAdvanced Secure Gateway: 6.6 - 6.7
ProxySG: 6.5 - 6.7
External linkshttp://www.symantec.com/security-center/network-protection-security-advisories/SA155
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Open redirect
EUVDB-ID: #VU9925
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-9099
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect the target user to external websites.
The vulnerability exists due to insufficient sanitization of untrusted input data when performing redirects to external websites. A remote attacker can use a crafted management console URL in a phishing
attack to redirect the target user to a malicious web site.
Update to version 6.6.5.13 or 6.7.2.1.
Vulnerable software versionsAdvanced Secure Gateway: 6.6 - 6.7
ProxySG: 6.5 - 6.7
External linkshttp://www.symantec.com/security-center/network-protection-security-advisories/SA155
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Reflected cross-site scripting
EUVDB-ID: #VU9926
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-10256
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists 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.
MitigationUpdate to version 6.7.2.1.
Vulnerable software versionsProxySG: 6.5 - 6.7
External linkshttp://www.symantec.com/security-center/network-protection-security-advisories/SA155
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Reflected cross-site scripting
EUVDB-ID: #VU9927
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-10257
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists 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.
MitigationUpdate to version 6.7.2.1.
Vulnerable software versionsProxySG: 6.5 - 6.7
Advanced Secure Gateway: 6.6 - 6.7
External linkshttp://www.symantec.com/security-center/network-protection-security-advisories/SA155
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
