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2 vulnerabilities found for B64dec by 4Mhz
CVE-2020-37124 (GCVE-0-2020-37124)
Vulnerability from nvd – Published: 2026-02-05 16:13 – Updated: 2026-02-06 20:34
VLAI
EPSS
VEX
Title
B64dec 1.1.2 - Buffer Overflow (SEH Overflow + Egg Hunter)
Summary
B64dec 1.1.2 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) with crafted input. Attackers can leverage an egg hunter technique and carefully constructed payload to inject and execute malicious code during base64 decoding process.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/48317 | exploit |
| http://4mhz.de/b64dec.html | product |
| https://www.vulncheck.com/advisories/bdec-buffer-… | third-party-advisory |
Date Public
2020-04-13 00:00
Credits
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CVE-2020-37124 (GCVE-0-2020-37124)
Vulnerability from cvelistv5 – Published: 2026-02-05 16:13 – Updated: 2026-02-06 20:34
VLAI
EPSS
VEX
Title
B64dec 1.1.2 - Buffer Overflow (SEH Overflow + Egg Hunter)
Summary
B64dec 1.1.2 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) with crafted input. Attackers can leverage an egg hunter technique and carefully constructed payload to inject and execute malicious code during base64 decoding process.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/48317 | exploit |
| http://4mhz.de/b64dec.html | product |
| https://www.vulncheck.com/advisories/bdec-buffer-… | third-party-advisory |
Date Public
2020-04-13 00:00
Credits
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