RCE in Tinyproxy Project
CVE-2022-40468
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.019 · change: +0.004
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/tinyproxy/tinyproxy (Third Party Advisory)
- github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/sr… (Exploit, Third Party Advisory)
- github.com/tinyproxy/tinyproxy/issues/457 (Exploit, Third Party Advisory)
- github.com/tinyproxy/tinyproxy/issues/457
- security.gentoo.org/glsa/202305-27 (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-40468?
- CVE-2022-40468 is a high-severity vulnerability in Tinyproxy Project, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.5/10. Published 2022-09-19.
- How severe is CVE-2022-40468?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-40468 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.