Multiple vulnerabilities in Advantech WebAccess
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2017-16728 CVE-2017-16724 CVE-2017-16720 CVE-2017-16716 CVE-2017-16753 |
| CWE-ID | CWE-822 CWE-121 CWE-89 CWE-20 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #3 is available. Public exploit code for vulnerability #4 is available. |
| Vulnerable software Subscribe |
Advantech WebAccess Server applications / SCADA systems |
| Vendor | Advantech Co., Ltd |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Untrusted pointer dereference
EUVDB-ID: #VU9889
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-16728
CWE-ID:
CWE-822 - Untrusted Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to untrusted pointer dereference. A remote attacker can ause the program to use an invalid memory address, resulting in a program crash.
Update to version 8.3.
Advantech WebAccess: 8.0_20150412 - 8.2_20170817
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Stack-based buffer overflow
EUVDB-ID: #VU9890
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-16724
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to stack-based buffer overflow. A remote attacker can use the program to use an invalid memory address, resulting in a program crash.
Update to version 8.3.
Advantech WebAccess: 8.0_20150412 - 8.2_20170817
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Path traversal
EUVDB-ID: #VU9891
Risk: Low
CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-16720
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to path traversal. A remote attacker can bypass security restrictions and gain access to files within the directory structure of the target device.
Update to version 8.3.
Advantech WebAccess: 8.0_20150412 - 8.2_20170817
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
4) SQL injection
EUVDB-ID: #VU9892
Risk: Low
CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-16716
CWE-ID:
CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary SQL commands in web application database.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL commands in web application database.
Successful exploitation of the vulnerability may allow an attacker to gain administrative access to vulnerable web application.
MitigationUpdate to version 8.3.
Advantech WebAccess: 8.0-2014.10.31 - 8.2_20170817
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
5) Improper input validation
EUVDB-ID: #VU9893
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-16753
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to insufficient validation of user-supplied input. A remote attacker can supply specially crafted file and cause the program to crash.
Update to version 8.3.
Advantech WebAccess: 8.0_20150412 - 8.2_20170817
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
