CVE-2018-25220 — CRITICAL (9.8)

Vulnerability Description

Bochs 2.6-5 contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized input string to the application. Attackers can craft a malicious payload with 1200 bytes of padding followed by a return-oriented programming chain to overwrite the instruction pointer and execute shell commands with application privileges.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Bochs Project	Bochs	2.6.5

Related Weaknesses (CWE)

CWE-787

References

http://bochs.sourceforge.net/Product
https://www.exploit-db.com/exploits/43979ExploitVDB Entry
https://www.vulncheck.com/advisories/bochs-5-buffer-overflow-remote-code-executiThird Party Advisory

FAQ

What is CVE-2018-25220?

CVE-2018-25220 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Bochs 2.6-5 contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized input string to the application. Attackers can craft a malici...

How severe is CVE-2018-25220?

CVE-2018-25220 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-25220?

Check the references section above for vendor advisories and patch information. Affected products include: Bochs Project Bochs.