Privilege escalation in Advantech WebOP

1) Heap-based buffer overflow

EUVDB-ID: #VU7891

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-12705

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local attacker to cause DoS condition or execute arbitrary code.

The weakness exist due to heap-based buffer overflow when handling malicious content. A local attacker can supply a specially crafted project file, trigger memory corruption and crash the process or execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Cybersecurity Help is currently unaware of any official patch addressing the vulnerability.

Vulnerable software versions

Advantech WebOP: All versions

CPE2.3

• cpe:2.3:h:advantech:advantech_webop:*:*:*:*:*:*:*:*

External links

https://ics-cert.us-cert.gov/advisories/ICSA-17-227-01

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.