PT-2019-4577 · Moxa · Moxa Awk-3121

Samuel Huntley · Published 2019-06-07 · Updated 2019-12-05 · CVE-2018-10703

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Moxa AWK-3121 version 1.14

Description An issue was discovered that allows an attacker to execute commands on the device. The iw serverip parameter is susceptible to buffer overflow, which can be exploited by crafting a packet with a string of 480 characters. This vulnerability may allow a remote attacker to execute arbitrary commands with root privileges.

Recommendations For Moxa AWK-3121 version 1.14, consider disabling the functionality that allows running scripts on the device until a patch is available. Restrict access to the iw serverip parameter to minimize the risk of exploitation. Avoid using the iw serverip parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-00637

CVE-2018-10703

Affected Products

Moxa Awk-3121

References · 9

• 🔥 https://github.com/samuelhuntley/Moxa_AWK_1121/blob/master/Moxa_AWK_1121 · Exploit
• https://osv.dev/vulnerability/CVE-2018-10703 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00637 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-10703 · Security Note
• https://moxa.ru/novosti/tidings/prod/ustranenie-uyazvimostej-tochek-dostupa-moxa-awk-3121 · Note
• https://t.me/cibsecurity/4779 · Telegram Post
• http://packetstormsecurity.com/files/153223/Moxa-AWK-3121-1.14-Information-Disclosure-Command-Execution.html · Note
• https://cxsecurity.com/cveshow/CVE-2018-10703 · Note
• https://seclists.org/bugtraq/2019/Jun/8 · Note