Multiple vulnerabilities in WAGO e!DISPLAY
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2018-12981 CVE-2018-12980 CVE-2018-12979 |
| CWE-ID | CWE-79 CWE-434 CWE-732 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. Public exploit code for vulnerability #3 is available. |
| Vulnerable software Subscribe |
WAGO e!DISPLAY 7300T 762-300 Hardware solutions / Firmware WAGO e!DISPLAY 7300T 762-3002 Hardware solutions / Firmware WAGO e!DISPLAY 7300T 762-3001 Hardware solutions / Firmware WAGO e!DISPLAY 7300T 762-3000 Hardware solutions / Firmware |
| Vendor | WAGO |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Cross-site scripting
EUVDB-ID: #VU13847
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-12981
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
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 02.
WAGO e!DISPLAY 7300T 762-300: 01
WAGO e!DISPLAY 7300T 762-3002: 01
WAGO e!DISPLAY 7300T 762-3001: 01
WAGO e!DISPLAY 7300T 762-3000: 01
External linksQ & 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. However, proof of concept for this vulnerability is available.
2) Unrestricted upload of file with dangerous type
EUVDB-ID: #VU13848
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-12980
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: Yes
DescriptionThe vulnerability allows a remote authenticated attacker to bypass security restrictions.
The weakness exists due to unrestricted upload of file with dangerous type. A remote attacker can upload arbitrary files to the file system with the permissions of the web server.
Update to version 02.
WAGO e!DISPLAY 7300T 762-300: 01
WAGO e!DISPLAY 7300T 762-3002: 01
WAGO e!DISPLAY 7300T 762-3001: 01
WAGO e!DISPLAY 7300T 762-3000: 01
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
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.
3) Incorrect default permissions
EUVDB-ID: #VU13849
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-12979
CWE-ID:
CWE-732 - Incorrect Permission Assignment for Critical Resource
Exploit availability: Yes
DescriptionThe vulnerability allows a remote authenticated attacker to bypass security restrictions.
The weakness exists due to weak permissions. A remote attacker can abuse the unrestricted file upload in the WBM and overwrite critical files.
Mitigation
Update to version 02.
WAGO e!DISPLAY 7300T 762-300: 01
WAGO e!DISPLAY 7300T 762-3002: 01
WAGO e!DISPLAY 7300T 762-3001: 01
WAGO e!DISPLAY 7300T 762-3000: 01
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
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.
