CVE-2022-38493

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2022-38493
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-38493.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-38493
Downstream
Published
2022-08-20T20:15:08.613Z
Modified
2026-04-12T01:27:54.569688Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Rhonabwy 0.9.99 through 1.1.x before 1.1.7 doesn't check the RSA private key length before RSA-OAEP decryption. This allows attackers to cause a Denial of Service via a crafted JWE (JSON Web Encryption) token.

References

Affected packages

Git / github.com/babelouest/rhonabwy

Affected ranges

Type
GIT
Repo
https://github.com/babelouest/rhonabwy
Events
Introduced
d439802e37931e1e456be0df29da5bab1056eef3
Fixed
775a8e82719571ab8328a0782bcf40133ec65bfd
Fixed
dd528b3aabd13863f855a68e76966e4e019fc399
Database specific 
{
    "versions": [
        {
            "introduced": "0.9.99"
        },
        {
            "fixed": "1.1.6"
        }
    ]
}

Affected versions

v0.*
v0.9.99
v0.9.999
v0.9.9999
v1.*
v1.0.0
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.4
v1.1.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-38493.json"
vanir_signatures_modified 
"2026-04-12T01:27:54Z"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 450.0,
            "function_hash": "191041741188240626579110676124446667317"
        },
        "source": "https://github.com/babelouest/rhonabwy/commit/dd528b3aabd13863f855a68e76966e4e019fc399",
        "id": "CVE-2022-38493-1b8e20fe",
        "signature_type": "Function",
        "target": {
            "function": "rsa_oaep_sha1_decrypt",
            "file": "src/jwe.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "231030406526627522593777398537792131423",
                "308881556782095445872402939409484824551",
                "198452387046156747561451974890062069206",
                "339588104428451684387402747213815227530",
                "233173281795487996994913448712152513308",
                "333777022699184682584032986641932898703"
            ]
        },
        "source": "https://github.com/babelouest/rhonabwy/commit/dd528b3aabd13863f855a68e76966e4e019fc399",
        "id": "CVE-2022-38493-255c9301",
        "signature_type": "Line",
        "target": {
            "file": "src/jwe.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 460.0,
            "function_hash": "249330863341517819856699152583927362549"
        },
        "source": "https://github.com/babelouest/rhonabwy/commit/dd528b3aabd13863f855a68e76966e4e019fc399",
        "id": "CVE-2022-38493-a002f451",
        "signature_type": "Function",
        "target": {
            "function": "rsa_oaep_sha256_decrypt",
            "file": "src/jwe.c"
        }
    }
]