GHSA-8r5v-vm4m-4g25 – h2

Package

Manager: cargo
Name: h2
Vulnerable Version: >=0 <0.3.24 || >=0.4.0 <0.4.2

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: N/A pctlN/A

Details

Resource exhaustion vulnerability in h2 may lead to Denial of Service (DoS) An attacker with an HTTP/2 connection to an affected endpoint can send a steady stream of invalid frames to force the generation of reset frames on the victim endpoint. By closing their recv window, the attacker could then force these resets to be queued in an unbounded fashion, resulting in Out Of Memory (OOM) and high CPU usage. This fix is corrected in [hyperium/h2#737](https://github.com/hyperium/h2/pull/737), which limits the total number of internal error resets emitted by default before the connection is closed.

Metadata

Created: 2024-01-19T15:24:56Z
Modified: 2024-01-19T15:24:56Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/01/GHSA-8r5v-vm4m-4g25/GHSA-8r5v-vm4m-4g25.json
CWE IDs: []
Alternative ID: N/A
Finding: F002
Auto approve: 1