CVE-2022-40468

Public Exploit

Description

Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/tinyproxy/tinyproxy third party advisory
https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346 third party advisory exploit
https://github.com/tinyproxy/tinyproxy/issues/457 third party advisory exploit
https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815
https://security.gentoo.org/glsa/202305-27 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-40468?
CVE-2022-40468 has been scored as a high severity vulnerability.
How to fix CVE-2022-40468?
To fix CVE-2022-40468, 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-2022-40468 being actively exploited in the wild?
It is possible that CVE-2022-40468 is being exploited or will be exploited in a near future based on public information. 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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