CVE-2015-2233

Description

Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.

Category

8.3
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory lenovo.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
http://support.lenovo.com/us/en/product_security/lsu_privilege vendor advisory
http://securitytracker.com/id/1032268 vdb entry
http://www.securityfocus.com/bid/74642 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-2233?
CVE-2015-2233 has been scored as a high severity vulnerability.
How to fix CVE-2015-2233?
To fix CVE-2015-2233, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-2233 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-2233 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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