Comodo Internet Security up to 12.0 Signature Validation signmgr.dll untrusted search path

Summaryinfo

A vulnerability was found in Comodo Internet Security up to 12.0. It has been classified as critical. Affected by this issue is some unknown functionality in the library signmgr.dll of the component Signature Validation. This manipulation causes untrusted search path. This vulnerability is tracked as CVE-2019-18215. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Comodo Internet Security up to 12.0. Affected by this vulnerability is an unknown code block in the library signmgr.dll of the component Signature Validation. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in signmgr.dll 6.5.0.819 in Comodo Internet Security through 12.0. A DLL Preloading vulnerability allows an attacker to implant an unsigned DLL named iLog.dll in a partially unprotected product directory. This DLL is then loaded into a high-privileged service before the binary signature validation logic is loaded, and might bypass some of the self-defense mechanisms.

The weakness was disclosed 11/18/2019. This vulnerability is known as CVE-2019-18215 since 10/20/2019. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/23/2024). The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• Comodo

Name

• Internet Security

Version

• 12.0

CPE 2.3info

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CPE 2.2info

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