CVE-2021-38597

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Source
https://cve.org/CVERecord?id=CVE-2021-38597
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38597.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-38597
Downstream
Published
2021-08-12T15:15:08.017Z
Modified
2026-04-11T21:23:12.992010Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.

References

Affected packages

Git / github.com/wolfssl/wolfssl

Affected ranges

Type
GIT
Repo
https://github.com/wolfssl/wolfssl
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
723ed009ae5dc68acc14cd7664f93503d64cd51d
Fixed
f93083be72a3b3d956b52a7ec13f307a27b6e093
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.8.1"
        }
    ]
}

Affected versions

Other
WCv4-rng-stable
l
list
v0.*
v0.5
v1.*
v1.8.8.0
v1.9.0
v2.*
v2.0.2
v2.0.3
v2.0.6
v2.0.8
v2.0rc1
v2.0rc2
v2.0rc2b
v2.0rc3
v2.4.2
v2.4.6
v2.4.7
v2.6.0
v2.6.2
v2.7.0
v2.7.2
v2.8.0
v2.8.2
v2.8.3
v2.8.4
v2.8.5
v2.8.5a
v2.8.6
v2.9.0
v2.9.1
v2.9.2
v2.9.4
v3.*
v3.10.0-stable
v3.10.0a
v3.10.2-stable
v3.10.3
v3.11.0-stable
v3.11.1-tls13-beta
v3.12.0-stable
v3.12.2-stable
v3.13.0-stable
v3.13.2
v3.13.3
v3.14.0-stable
v3.14.0a
v3.14.0b
v3.14.2
v3.14.4
v3.15.0-stable
v3.15.3-stable
v3.15.5-stable
v3.15.5a
v3.15.6
v3.15.7-stable
v3.2.0
v3.2.4
v3.2.6
v3.3.0
v3.3.3
v3.4.0
v3.4.2
v3.4.6
v3.6.8
v3.6.9
v3.7.0
v3.7.1
v3.7.3
v3.8.0
v3.9.0
v3.9.1
v3.9.10-stable
v3.9.10b
v3.9.6
v3.9.6w
v3.9.8
v4.*
v4.0.0-stable
v4.1.0-stable
v4.2.0-stable
v4.2.0c
v4.3.0-stable
v4.4.0-stable
v4.5.0-stable
v4.6.0-stable
v4.7.0-stable
v4.7.1r
v4.8.0-stable

Database specific

vanir_signatures_modified 
"2026-04-11T21:23:12Z"
vanir_signatures 
[
    {
        "target": {
            "file": "wolfcrypt/src/port/caam/caam_qnx.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "129559050910902772593620305703892358584",
                "46892446780360592572869157630891092452",
                "208066940593629570183817566574157000651",
                "11078029748587033735632828975921038305",
                "81904379545604931314036370645668216769",
                "661704961450447980007833454441287648"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2021-38597-1072c300",
        "signature_type": "Line",
        "source": "https://github.com/wolfssl/wolfssl/commit/723ed009ae5dc68acc14cd7664f93503d64cd51d"
    },
    {
        "target": {
            "file": "wolfcrypt/src/asn.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "166717417374588321458813928114453004118",
                "100066283506131351387996469012373827165",
                "261546692408925214412452524309330904915",
                "340175888677556585777169330515393971171",
                "334046187563482848033628567649019522681",
                "204990480694242824373821406926180262354",
                "58078628999482122902017988352386455451",
                "15943859578411976128162647846380111970",
                "33618659943274465574035882273229317353"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2021-38597-5198d99d",
        "signature_type": "Line",
        "source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
    },
    {
        "target": {
            "file": "wolfssl/wolfcrypt/asn.h"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "153261655079507998243035182815092040257",
                "94397097935125013550427540131195665170",
                "320149238350935993266883141139327796044",
                "44782353481244881549460795752955312635"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2021-38597-617fcaf1",
        "signature_type": "Line",
        "source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
    },
    {
        "target": {
            "file": "wolfcrypt/src/asn.c",
            "function": "ParseCertRelative"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 9655.0,
            "function_hash": "125232856949344471807192566925669934083"
        },
        "id": "CVE-2021-38597-70dc61c3",
        "signature_type": "Function",
        "source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
    },
    {
        "target": {
            "file": "wolfcrypt/src/asn.c",
            "function": "DecodeBasicOcspResponse"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 2542.0,
            "function_hash": "255771284546534536757906501825746558559"
        },
        "id": "CVE-2021-38597-b66bd05f",
        "signature_type": "Function",
        "source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38597.json"