Vulnerability · Published Feb 21, 2023 · Assigned by mitre
CVE-2022-31394
High 7.5
In plain English
A high-severity resource allocation without limits in the rust-hyper package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.1%top 34.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | rust-hyper | 0.14.19-1 | DEBIAN-CVE-2022-31394 |
| Debian:13 | rust-hyper | 0.14.19-1 | DEBIAN-CVE-2022-31394 |
| Debian:14 | rust-hyper | 0.14.19-1 | DEBIAN-CVE-2022-31394 |
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H