Vulnerability · Published Sep 19, 2022 · Assigned by mitre
CVE-2022-40468
High 7.5
In plain English
A high-severity security flaw in the tinyproxy package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.9%top 20.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | tinyproxy | 1.11.1-r2 | ALPINE-CVE-2022-40468 |
| Alpine:v3.21 | tinyproxy | 1.11.1-r2 | ALPINE-CVE-2022-40468 |
| Alpine:v3.22 | tinyproxy | 1.11.1-r2 | ALPINE-CVE-2022-40468 |
| Alpine:v3.23 | tinyproxy | 1.11.1-r2 | ALPINE-CVE-2022-40468 |
| Alpine:v3.24 | tinyproxy | 1.11.1-r2 | ALPINE-CVE-2022-40468 |
| Debian:12 | tinyproxy | 1.11.1-2 | DEBIAN-CVE-2022-40468 |
| Debian:13 | tinyproxy | 1.11.1-2 | DEBIAN-CVE-2022-40468 |
| Debian:14 | tinyproxy | 1.11.1-2 | DEBIAN-CVE-2022-40468 |
Affected products (as reported)
References
- https://github.com/tinyproxy/tinyproxy
- https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346
- https://github.com/tinyproxy/tinyproxy/issues/457
- https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815
- GLSA-202305-27 vendor-advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html