CVE-2021-38597
- Source
- https://nvd.nist.gov/vuln/detail/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
- 2025-11-20T11:51:36.998816Z
- 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
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
Other
WCv4-rng-stable
WCv4-stable
l
list
wolfRand-RC2
WCv4.*
WCv4.0-RC5
WCv4.0-RC6
WCv4.0-RC8
WCv4.0-RC9
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
v2.1.1
v2.1.2
v2.1.4
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.4.0
v2.4.2
v2.4.6
v2.4.7
v2.5.0
v2.5.2
v2.5.2b
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.*
v3.0.0
v3.0.2
v3.1.0
v3.10.0-stable
v3.10.0a
v3.10.2-stable
v3.10.3
v3.10.4
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
v3.14.5
v3.15.0-stable
v3.15.3-stable
v3.15.5-stable
v3.15.5a
v3.15.6
v3.15.7-stable
v3.15.8
v3.2.0
v3.2.4
v3.2.6
v3.3.0
v3.3.3
v3.4.0
v3.4.2
v3.4.6
v3.4.8
v3.6.0
v3.6.0b
v3.6.2
v3.6.6
v3.6.8
v3.6.9
v3.6.9b
v3.6.9c
v3.6.9d
v3.69.d
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
[
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"166717417374588321458813928114453004118",
"100066283506131351387996469012373827165",
"261546692408925214412452524309330904915",
"340175888677556585777169330515393971171",
"334046187563482848033628567649019522681",
"204990480694242824373821406926180262354",
"58078628999482122902017988352386455451",
"15943859578411976128162647846380111970",
"33618659943274465574035882273229317353"
]
},
"id": "CVE-2021-38597-5198d99d",
"target": {
"file": "wolfcrypt/src/asn.c"
},
"signature_type": "Line",
"source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"153261655079507998243035182815092040257",
"94397097935125013550427540131195665170",
"320149238350935993266883141139327796044",
"44782353481244881549460795752955312635"
]
},
"id": "CVE-2021-38597-617fcaf1",
"target": {
"file": "wolfssl/wolfcrypt/asn.h"
},
"signature_type": "Line",
"source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"length": 9655.0,
"function_hash": "125232856949344471807192566925669934083"
},
"id": "CVE-2021-38597-70dc61c3",
"target": {
"file": "wolfcrypt/src/asn.c",
"function": "ParseCertRelative"
},
"signature_type": "Function",
"source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"length": 2542.0,
"function_hash": "255771284546534536757906501825746558559"
},
"id": "CVE-2021-38597-b66bd05f",
"target": {
"file": "wolfcrypt/src/asn.c",
"function": "DecodeBasicOcspResponse"
},
"signature_type": "Function",
"source": "https://github.com/wolfssl/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093"
}
]