BitDefender Internet Security 2018 cevakrnl.xmd integer overflow

Summaryinfo

A vulnerability classified as critical has been found in BitDefender Internet Security 2018. This impacts an unknown function of the file cevakrnl.xmd. This manipulation causes integer overflow. This vulnerability is tracked as CVE-2017-17408. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in BitDefender Internet Security 2018. It has been declared as critical. Affected by this vulnerability is some unknown processing of the file cevakrnl.xmd. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Bitdefender Internet Security 2018. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within cevakrnl.xmd. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM. Was ZDI-CAN-5101.

The bug was discovered 12/12/2017. The weakness was disclosed 12/21/2017 (Website). The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2017-17408 since 12/05/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/17/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 9 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 entries VDB-110979 and VDB-110978 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• BitDefender

Name

• Internet Security

Version

• 2018

License

• commercial

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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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