Remote code execution in Advantech WebAccess
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2017-14016 CVE-2017-12719 |
| CWE-ID | CWE-121 CWE-822 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Advantech WebAccess Server applications / SCADA systems |
| Vendor | Advantech Co., Ltd |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Stack-based buffer overflow
EUVDB-ID: #VU9112
Risk: High
CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2017-14016
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper validation of the length of user-supplied data. A remote attacker can trick the victim into loading a specially crafted input, trigger stack-based buffer overflow and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
Install update from vendor's website.
Advantech WebAccess: 8.0-2014.10.31 - 8.2
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-17-306-02
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, a fully functional exploit for this vulnerability is available.
2) Untrusted pointer dereference
EUVDB-ID: #VU9113
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12719
CWE-ID:
CWE-822 - Untrusted Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to possibly execute arbitrary code on the target system.
The weakness exists due to untrusted pointer dereference. A remote attacker can supply a specially crafted program, cause the application to become unavailable and possibly execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Install update from vendor's website.
Advantech WebAccess: 8.0-2014.10.31 - 8.2
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-17-306-02
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.
