Vulnerability Details : CVE-2022-31394
Potential exploit
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.
Products affected by CVE-2022-31394
- cpe:2.3:a:hyper:hyper:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31394
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31394
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-03-17 |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-31394
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-31394
-
https://github.com/hyperium/hyper/pull/2828
feat(h2): add max_header_list_size by silence-coding · Pull Request #2828 · hyperium/hyper · GitHubIssue Tracking;Patch
-
https://github.com/hyperium/hyper/issues/2826
Allow specifying the HTTP/2 SETTINGS_MAX_HEADER_LIST_SIZE · Issue #2826 · hyperium/hyper · GitHubExploit;Issue Tracking;Patch;Vendor Advisory
-
https://github.com/hyperium/hyper/compare/v0.14.18...v0.14.19
Comparing v0.14.18...v0.14.19 · hyperium/hyper · GitHubPatch
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