PT-2019-4707 · Moxa · Moxa Awk-3121

Samuel Huntley · Published 2019-06-07 · Updated 2019-06-11 · CVE-2018-10701

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/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 by exploiting a buffer overflow vulnerability in the iw filename POST parameter. This can be achieved by crafting a packet with a string of 162 characters. The vulnerability is related to the functionality that allows administrators to run scripts on the device for troubleshooting purposes.

Recommendations For Moxa AWK-3121 version 1.14, consider disabling the functionality that allows running scripts on the device until a patch is available. As a temporary workaround, restrict the use of the iw filename parameter to minimize the risk of exploitation. 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:2020-01236

CVE-2018-10701

Affected Products

Moxa Awk-3121

References · 8

• 🔥 https://github.com/samuelhuntley/Moxa_AWK_1121/blob/master/Moxa_AWK_1121 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-10701 · Security Note
• https://bdu.fstec.ru/vul/2020-01236 · Security Note
• https://osv.dev/vulnerability/CVE-2018-10701 · Vendor Advisory
• https://t.me/cibsecurity/4781 · Telegram Post
• http://packetstormsecurity.com/files/153223/Moxa-AWK-3121-1.14-Information-Disclosure-Command-Execution.html · Note
• https://moxa.com/en/support/support/security-advisory/awk-3121-series-industrial-ap-bridge-client-vulnerabilities · Note
• https://seclists.org/bugtraq/2019/Jun/8 · Note