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CERTFR-2021-AVI-374
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Tenable Nessus. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur, un déni de service à distance et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Nessus Network Monitor versions ant\u00e9rieures \u00e0 5.13.1",
"product": {
"name": "Nessus",
"vendor": {
"name": "Tenable",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2020-1971",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-1971"
},
{
"name": "CVE-2021-3450",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3450"
},
{
"name": "CVE-2021-3449",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3449"
},
{
"name": "CVE-2021-23840",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-23840"
},
{
"name": "CVE-2021-23841",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-23841"
}
],
"initial_release_date": "2021-05-14T00:00:00",
"last_revision_date": "2021-05-14T00:00:00",
"links": [],
"reference": "CERTFR-2021-AVI-374",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-05-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Tenable Nessus.\nElles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non\nsp\u00e9cifi\u00e9 par l\u0027\u00e9diteur, un d\u00e9ni de service \u00e0 distance et un\ncontournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Tenable Nessus",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Tenable tns-2021-09 du 11 mai 2021",
"url": "https://www.tenable.com/security/tns-2021-09"
}
]
}
CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from cvelistv5
Published
2021-03-25 14:25
Modified
2024-09-17 03:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- NULL pointer dereference
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
References
Impacted products
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
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"x_transferred"
],
"url": "https://www.tenable.com/security/tns-2021-10"
},
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],
"url": "https://www.tenable.com/security/tns-2021-09"
},
{
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"url": "https://security.netapp.com/advisory/ntap-20210513-0002/"
},
{
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],
"url": "https://security.netapp.com/advisory/ntap-20210326-0006/"
},
{
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],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.tenable.com/security/tns-2021-06"
},
{
"tags": [
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],
"url": "https://www.tenable.com/security/tns-2021-05"
},
{
"tags": [
"x_transferred"
],
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10356"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-772220.pdf"
},
{
"tags": [
"x_transferred"
],
"url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845"
},
{
"tags": [
"x_transferred"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013"
},
{
"name": "[debian-lts-announce] 20210831 [SECURITY] [DLA 2751-1] postgresql-9.6 security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00029.html"
},
{
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"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
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"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
},
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"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "OpenSSL",
"vendor": "OpenSSL",
"versions": [
{
"status": "affected",
"version": "Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j)"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Peter K\u00e4stle (Nokia) and Samuel Sapalski (Nokia)"
}
],
"datePublic": "2021-03-25T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j)."
}
],
"metrics": [
{
"other": {
"content": {
"lang": "eng",
"url": "https://www.openssl.org/policies/secpolicy.html#High",
"value": "High"
},
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}
],
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"type": "text"
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"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"shortName": "openssl"
},
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{
"url": "https://www.openssl.org/news/secadv/20210325.txt"
},
{
"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=fb9fa6b51defd48157eeb207f52181f735d96148"
},
{
"name": "20210325 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: March 2021",
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"vendor-advisory"
],
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},
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},
{
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"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2021/03/27/1"
},
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"tags": [
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],
"url": "http://www.openwall.com/lists/oss-security/2021/03/27/2"
},
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],
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},
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"tags": [
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],
"url": "http://www.openwall.com/lists/oss-security/2021/03/28/4"
},
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"tags": [
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"url": "https://security.gentoo.org/glsa/202103-03"
},
{
"name": "FEDORA-2021-cbf14ab8f9",
"tags": [
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/"
},
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"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"url": "https://www.tenable.com/security/tns-2021-10"
},
{
"url": "https://www.tenable.com/security/tns-2021-09"
},
{
"url": "https://security.netapp.com/advisory/ntap-20210513-0002/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20210326-0006/"
},
{
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc"
},
{
"url": "https://www.tenable.com/security/tns-2021-06"
},
{
"url": "https://www.tenable.com/security/tns-2021-05"
},
{
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10356"
},
{
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-772220.pdf"
},
{
"url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845"
},
{
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013"
},
{
"name": "[debian-lts-announce] 20210831 [SECURITY] [DLA 2751-1] postgresql-9.6 security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00029.html"
},
{
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
},
{
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
}
],
"title": "NULL pointer deref in signature_algorithms processing"
}
},
"cveMetadata": {
"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"assignerShortName": "openssl",
"cveId": "CVE-2021-3449",
"datePublished": "2021-03-25T14:25:13.659307Z",
"dateReserved": "2021-03-17T00:00:00",
"dateUpdated": "2024-09-17T03:43:55.497Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-3450 (GCVE-0-2021-3450)
Vulnerability from cvelistv5
Published
2021-03-25 14:25
Modified
2024-09-17 03:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Invalid Certificate Verification
Summary
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a "purpose" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named "purpose" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
{
"containers": {
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{
"providerMetadata": {
"dateUpdated": "2024-08-03T16:53:17.644Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b"
},
{
"name": "20210325 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: March 2021",
"tags": [
"vendor-advisory",
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"x_transferred"
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"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd"
},
{
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"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/03/27/1"
},
{
"name": "[oss-security] 20210327 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/03/27/2"
},
{
"name": "[oss-security] 20210328 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/03/28/3"
},
{
"name": "[oss-security] 20210328 Re: OpenSSL 1.1.1 CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT, CVE-2021-3449 NULL pointer deref in signature_algorithms processing",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/03/28/4"
},
{
"name": "GLSA-202103-03",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202103-03"
},
{
"name": "FEDORA-2021-cbf14ab8f9",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.tenable.com/security/tns-2021-09"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20210326-0006/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.tenable.com/security/tns-2021-05"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10356"
},
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CVE-2021-23840 (GCVE-0-2021-23840)
Vulnerability from cvelistv5
Published
2021-02-16 16:55
Modified
2024-09-17 02:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Overflow
Summary
Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
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CVE-2021-23841 (GCVE-0-2021-23841)
Vulnerability from cvelistv5
Published
2021-02-16 16:55
Modified
2024-09-16 22:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- NULL pointer dereference
Summary
The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on certificates that may have been obtained from untrusted sources. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
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CVE-2020-1971 (GCVE-0-2020-1971)
Vulnerability from cvelistv5
Published
2020-12-08 15:30
Modified
2024-09-17 02:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- NULL pointer dereference
Summary
The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1) Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate 2) When verifying that a timestamp response token signer matches the timestamp authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token) If an attacker can control both items being compared then that attacker could trigger a crash. For example if the attacker can trick a client or server into checking a malicious certificate against a malicious CRL then this may occur. Note that some applications automatically download CRLs based on a URL embedded in a certificate. This checking happens prior to the signatures on the certificate and CRL being verified. OpenSSL's s_server, s_client and verify tools have support for the "-crl_download" option which implements automatic CRL downloading and this attack has been demonstrated to work against those tools. Note that an unrelated bug means that affected versions of OpenSSL cannot parse or construct correct encodings of EDIPARTYNAME. However it is possible to construct a malformed EDIPARTYNAME that OpenSSL's parser will accept and hence trigger this attack. All OpenSSL 1.1.1 and 1.0.2 versions are affected by this issue. Other OpenSSL releases are out of support and have not been checked. Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w).
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
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"x_transferred"
],
"url": "https://lists.apache.org/thread.html/r63c6f2dd363d9b514d0a4bcf624580616a679898cc14c109a49b750c%40%3Cdev.tomcat.apache.org%3E"
},
{
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],
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"tags": [
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],
"url": "https://www.tenable.com/security/tns-2021-10"
},
{
"tags": [
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],
"url": "https://www.tenable.com/security/tns-2021-09"
},
{
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20210513-0002/"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "[oss-security] 20210914 Re: Oracle Solaris membership in the distros list",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/09/14/2"
},
{
"tags": [
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],
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"tags": [
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],
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"tags": [
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],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
},
{
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "OpenSSL",
"vendor": "OpenSSL",
"versions": [
{
"status": "affected",
"version": "Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h)"
},
{
"status": "affected",
"version": "Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w)"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "David Benjamin (Google)"
}
],
"datePublic": "2020-12-08T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1) Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate 2) When verifying that a timestamp response token signer matches the timestamp authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token) If an attacker can control both items being compared then that attacker could trigger a crash. For example if the attacker can trick a client or server into checking a malicious certificate against a malicious CRL then this may occur. Note that some applications automatically download CRLs based on a URL embedded in a certificate. This checking happens prior to the signatures on the certificate and CRL being verified. OpenSSL\u0027s s_server, s_client and verify tools have support for the \"-crl_download\" option which implements automatic CRL downloading and this attack has been demonstrated to work against those tools. Note that an unrelated bug means that affected versions of OpenSSL cannot parse or construct correct encodings of EDIPARTYNAME. However it is possible to construct a malformed EDIPARTYNAME that OpenSSL\u0027s parser will accept and hence trigger this attack. All OpenSSL 1.1.1 and 1.0.2 versions are affected by this issue. Other OpenSSL releases are out of support and have not been checked. Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w)."
}
],
"metrics": [
{
"other": {
"content": {
"lang": "eng",
"url": "https://www.openssl.org/policies/secpolicy.html#High",
"value": "High"
},
"type": "unknown"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "NULL pointer dereference",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-21T19:06:11.147749",
"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"shortName": "openssl"
},
"references": [
{
"url": "https://www.openssl.org/news/secadv/20201208.txt"
},
{
"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=f960d81215ebf3f65e03d4d5d857fb9b666d6920"
},
{
"url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2154ab83e14ede338d2ede9bbe5cdfce5d5a6c9e"
},
{
"name": "DSA-4807",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4807"
},
{
"name": "FreeBSD-SA-20:33",
"tags": [
"vendor-advisory"
],
"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:33.openssl.asc"
},
{
"name": "[debian-lts-announce] 20201214 [SECURITY] [DLA 2493-1] openssl1.0 security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00021.html"
},
{
"name": "[debian-lts-announce] 20201214 [SECURITY] [DLA 2492-1] openssl security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00020.html"
},
{
"name": "FEDORA-2020-ef1870065a",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGSI34Y5LQ5RYXN4M2I5ZQT65LFVDOUU/"
},
{
"name": "[pulsar-commits] 20201216 [GitHub] [pulsar] phijohns-tibco opened a new issue #8978: OpenSSL needs to be updated to 1.1.1i current version is unsupported.",
"tags": [
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],
"url": "https://lists.apache.org/thread.html/rbb769f771711fb274e0a4acb1b5911c8aab544a6ac5e8c12d40c5143%40%3Ccommits.pulsar.apache.org%3E"
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{
"name": "FEDORA-2020-a31b01e945",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PWPSSZNZOBJU2YR6Z4TGHXKYW3YP5QG7/"
},
{
"name": "GLSA-202012-13",
"tags": [
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],
"url": "https://security.gentoo.org/glsa/202012-13"
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{
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
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{
"url": "https://www.tenable.com/security/tns-2020-11"
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{
"url": "https://security.netapp.com/advisory/ntap-20201218-0005/"
},
{
"url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44676"
},
{
"name": "[tomcat-dev] 20210207 [Bug 65126] New: A security vulnerability cve-2020-1971 in Tomcat dependency Library in version 9.0.40.",
"tags": [
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],
"url": "https://lists.apache.org/thread.html/r63c6f2dd363d9b514d0a4bcf624580616a679898cc14c109a49b750c%40%3Cdev.tomcat.apache.org%3E"
},
{
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"url": "https://www.tenable.com/security/tns-2021-10"
},
{
"url": "https://www.tenable.com/security/tns-2021-09"
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{
"url": "https://security.netapp.com/advisory/ntap-20210513-0002/"
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{
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "[oss-security] 20210914 Re: Oracle Solaris membership in the distros list",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2021/09/14/2"
},
{
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
}
],
"title": "EDIPARTYNAME NULL pointer dereference"
}
},
"cveMetadata": {
"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"assignerShortName": "openssl",
"cveId": "CVE-2020-1971",
"datePublished": "2020-12-08T15:30:16.835255Z",
"dateReserved": "2019-12-03T00:00:00",
"dateUpdated": "2024-09-17T02:57:20.238Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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