Trend Micro Antivirus 7.0 on Mac KERedirect UrlfWTPPagePtr use after free

Summaryinfo

A vulnerability categorized as critical has been discovered in Trend Micro Antivirus 7.0 on Mac. This impacts the function KERedirect. Such manipulation of the argument UrlfWTPPagePtr leads to use after free. This vulnerability is uniquely identified as CVE-2018-15366. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Trend Micro Antivirus 7.0 on Mac (Anti-Malware Software). It has been rated as critical. Affected by this issue is the function KERedirect. The manipulation of the argument UrlfWTPPagePtr with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A UrlfWTPPagePtr KERedirect Use-After-Free Privilege Escalation vulnerability in Trend Micro Antivirus for Mac (Consumer) 7.0 (2017) and above could allow a local attacker to escalate privileges on vulnerable installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The bug was discovered 10/19/2018. The weakness was disclosed 10/23/2018 (Website). The advisory is available at esupport.trendmicro.com. This vulnerability is handled as CVE-2018-15366 since 08/16/2018. Local access is required to approach this attack. The successful exploitation needs a simple authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/06/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105757†). The entries VDB-125883, VDB-125896, VDB-125897 and VDB-125898 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Anti-Malware Software

Vendor

• Trend Micro

Name

• Antivirus

Version

• 7.0

License

• commercial

Website

• Vendor: https://www.trendmicro.com/

CPE 2.3info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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