CVE-2018-25220
Bochs 2.6-5 Buffer Overflow Remote Code Execution
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 28, 2026
- Updated
- Mar 30, 2026
- Reserved
- Mar 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
BOCHSbochs |
|
References
- ExploitDB-43979exploit
- Official Product Homepageproduct
- VulnCheck Advisory: Bochs 2.6-5 Buffer Overflow Remote Code Executionthird-party-advisory
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