CVE-2016-4340

Public Exploit

Description

The impersonate feature in Gitlab 8.7.0, 8.6.0 through 8.6.7, 8.5.0 through 8.5.11, 8.4.0 through 8.4.9, 8.3.0 through 8.3.8, and 8.2.0 through 8.2.4 allows remote authenticated users to "log in" as any other user via unspecified vectors.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.79% Top 15%
Vendor Advisory gitlab.com Vendor Advisory gitlab.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/ patch vendor advisory mitigation
https://www.exploit-db.com/exploits/40236/ exploit vdb entry third party advisory
https://gitlab.com/gitlab-org/gitlab-ce/issues/15548 issue tracking patch vendor advisory
http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-4340?
CVE-2016-4340 has been scored as a high severity vulnerability.
How to fix CVE-2016-4340?
To fix CVE-2016-4340, 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-2016-4340 being actively exploited in the wild?
It is possible that CVE-2016-4340 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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