CVE-2018-25302
CVE-2018-25302 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2018-21823
- Weakness: CWE-120
- Published:
- Last modified:
Description
Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with junk data, NSEH bypass, SEH handler address, and shellcode that triggers the overflow when pasted into the License Name field and the Register button is clicked, resulting in code execution.
Frequently asked questions
- What is CVE-2018-25302?
- Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with junk data, NSEH bypass, SEH handler address, and shellcode that triggers the overflow when pasted into the License Name field and the Register button is clicked, resulting in code execution.
- How severe is CVE-2018-25302?
- CVE-2018-25302 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-25302 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2018-25302?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2018-25302 have an EU (EUVD) identifier?
- Yes. CVE-2018-25302 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21823.
- When was CVE-2018-25302 published?
- CVE-2018-25302 was published on 2026-04-29 and last updated on 2026-06-17.
References
- http://www.alloksoft.com/
- https://www.exploit-db.com/exploits/44549
- https://www.vulncheck.com/advisories/allok-avi-to-dvd-svcd-vcd-converter-buffer-overflow-seh
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