IObit Malware Fighter up to 6.2 IOCTL RegFilter.sys memory corruption

Summaryinfo

A vulnerability, which was classified as critical, has been found in IObit Malware Fighter up to 6.2. This vulnerability affects unknown code in the library RegFilter.sys of the component IOCTL Handler. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2018-18714. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in IObit Malware Fighter up to 6.2 (Anti-Malware Software). It has been classified as critical. This affects an unknown functionality in the library RegFilter.sys of the component IOCTL Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

RegFilter.sys in IOBit Malware Fighter 6.2 and earlier is susceptible to a stack-based buffer overflow when an attacker uses IOCTL 0x8006E010. This can lead to denial of service (DoS) or code execution with root privileges.

The bug was discovered 10/27/2018. The weakness was presented 10/31/2018 (Website). The advisory is shared at downwithup.github.io. This vulnerability is uniquely identified as CVE-2018-18714 since 10/27/2018. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371310 (IObit Malware Fighter Stack-based Buffer Overflow Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-123225, VDB-124489, VDB-124490 and VDB-124491 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Anti-Malware Software

Vendor

• IObit

Name

• Malware Fighter

Version

• 6.0
• 6.1
• 6.2

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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