CVE-2019-25741: Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File
Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Mobatek MobaXtermto a version that resolves this vulnerability.Fixed in 12.1 - Compensating control
Do not import or execute untrusted MobaXterm sessions files, since the SEH-based buffer overflow occurs via the session file username field.
Event History
Frequently Asked Questions
What is the severity of CVE-2019-25741?
CVE-2019-25741 has a critical severity score of 9.8.
How do I fix CVE-2019-25741?
To fix CVE-2019-25741, update Mobatek MobaXterm to the latest version that addresses this vulnerability.
What type of vulnerability is CVE-2019-25741?
CVE-2019-25741 is a buffer overflow vulnerability that allows remote code execution.
Who is affected by CVE-2019-25741?
Users of Mobatek MobaXterm version 12.1 are affected by CVE-2019-25741.
Can CVE-2019-25741 be exploited remotely?
Yes, CVE-2019-25741 can be exploited remotely through maliciously crafted session files.