PT-2019-8754 · Mt · Tftp Server Mt

Ddaa · Published 2019-12-23 · Updated 2020-01-03 · CVE-2018-10389

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TFTP Server MT versions 1.65 and earlier

Description The issue concerns a format string vulnerability in the logMess function. This vulnerability can be exploited by remote attackers who send TFTP error packets containing format string sequences, potentially leading to a denial of service or the execution of arbitrary code.

Recommendations For versions 1.65 and earlier, update to a version later than 1.65 to resolve the issue. As a temporary workaround, consider restricting access to the TFTP server to minimize the risk of exploitation.

Fix

Use of Externally-Controlled Format String

Weakness Enumeration

CWE-134

Related Identifiers

CVE-2018-10389

Affected Products

Tftp Server Mt

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-10389 · Security Note
• https://osv.dev/vulnerability/CVE-2018-10389 · Vendor Advisory
• https://sourceforge.net/p/tftp-server/discussion/550564/thread/a586ce62 · Patch