CVE-2019-6991

Public Exploit

Description

A classic Stack-based buffer overflow exists in the zmLoadUser() function in zm_user.cpp of the zmu binary in ZoneMinder through 1.32.3, allowing an unauthenticated attacker to execute code via a long username.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.24% Top 15%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/ZoneMinder/zoneminder/pull/2482 third party advisory patch
https://github.com/ZoneMinder/zoneminder/issues/2478 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-6991?
CVE-2019-6991 has been scored as a critical severity vulnerability.
How to fix CVE-2019-6991?
To fix CVE-2019-6991, 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-2019-6991 being actively exploited in the wild?
It is possible that CVE-2019-6991 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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