swupdate: The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers
CVE-2023-34188 is fixed in swupdate on 1 platform, first by DEBIAN-CVE-2023-34188, released June 23, 2023. It is not reported as exploited. Patch Radar priority: High.
The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| swupdate · Debian 13.5 (trixie) | 2024.12+dfsg-1 | DEBIAN-CVE-2023-34188 | Jun 23, 2023 |
| swupdate · Debian 14 | 2024.12+dfsg-1 | DEBIAN-CVE-2023-34188 | Jun 23, 2023 |
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