CVE-2025-29364: spim Stack Overflow — Exploit

Description

spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By configuring the starting and ending addresses for memory read/write to point to distinct memory segments within the virtual machine, it is possible to circumvent these checks.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
spimsimulator	spim	< 9.1.24

References

Exploits

https://github.com/Giles-one/spimsimulatorEscape?tab=readme-ov-file#bug2-bypass-check-in-read_syscall-and-write_syscall-leading-to-out-of-bounds-readwrite

Other References

https://gist.github.com/Giles-one/a398e3da21ea9567970c6f0de543c3b3

Frequently Asked Questions

What is CVE-2025-29364? +

spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By configuring the starting and ending addresses for memory read/write to point to distinct memory segments within the virtual machine, it is possible to circumvent these checks. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-29364? +

CVE-2025-29364 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-29364? +

CVE-2025-29364 affects products from spimsimulator, specifically: spim. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-29364? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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