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.
Weakness
The product initializes or sets a resource with a default that is intended to be changed by the product’s installer, administrator, or maintainer, but the default is not secure.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Tinyproxy | Tinyproxy_project | * | 1.11.1 (including) |
| Tinyproxy | Ubuntu | bionic | * |
| Tinyproxy | Ubuntu | esm-apps/bionic | * |
| Tinyproxy | Ubuntu | esm-apps/focal | * |
| Tinyproxy | Ubuntu | esm-apps/jammy | * |
| Tinyproxy | Ubuntu | esm-apps/xenial | * |
| Tinyproxy | Ubuntu | esm-infra-legacy/trusty | * |
| Tinyproxy | Ubuntu | focal | * |
| Tinyproxy | Ubuntu | jammy | * |
| Tinyproxy | Ubuntu | kinetic | * |
| Tinyproxy | Ubuntu | lunar | * |
| Tinyproxy | Ubuntu | mantic | * |
| Tinyproxy | Ubuntu | trusty | * |
| Tinyproxy | Ubuntu | trusty/esm | * |
| Tinyproxy | Ubuntu | upstream | * |
| Tinyproxy | Ubuntu | xenial | * |
Related Attack Patterns
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
- https://security.gentoo.org/glsa/202305-27
- 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
- https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html
- https://security.gentoo.org/glsa/202305-27