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Mallory
HighPublic exploit

Buffer Overflow in Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 License Name Field

IdentifiersCVE-2018-25314CWE-120· Buffer Copy without Checking Size…

CVE-2018-25314 is a local buffer overflow vulnerability in Allok soft WMV to AVI MPEG DVD WMV Converter version 4.6.1217. The flaw is triggered by supplying an oversized string to the application's License Name field. According to the provided content, the overflow can be exploited using shellcode together with a structured exception handler (SEH) overwrite technique, resulting in arbitrary code execution in the context of the vulnerable process.

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ANALYST BRIEF

Impact, mitigation & remediation

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Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows a local attacker to execute arbitrary code with the privileges of the affected application. Given the stated CVSS vectors and description, compromise can result in high impact to confidentiality, integrity, and availability of the local system within the security context of the application.

Mitigation

If you can’t patch tonight, do this now.

Restrict local access to systems where the software is installed, prevent untrusted users from interacting with the application, and avoid entering or importing untrusted data into the License Name field. Application allowlisting, endpoint exploit mitigations, and monitoring for crashes or abnormal execution of the converter may reduce exposure. Because the issue is local, limiting execution on shared systems is particularly relevant.

Remediation

Patch, then assume compromise.

Upgrade to a fixed version if one is available from the vendor. If no patched release is available in the provided information, discontinue use of Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 and replace it with a supported alternative. Vendor guidance is not provided in the supplied content.
PUBLIC EXPLOITS

Exploits

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VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Allok SoftWmv To Avi Mpeg Dvd Wmv Converterapplication

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What this page doesn’t show

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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Social activity3

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