cve-2020-1967
Vulnerability from cvelistv5
Published
2020-04-21 13:45
Modified
2024-09-17 03:13
Severity ?
Summary
Segmentation fault in SSL_check_chain
References
openssl-security@openssl.orghttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00004.htmlMailing List, Third Party Advisory
openssl-security@openssl.orghttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00011.htmlMailing List, Third Party Advisory
openssl-security@openssl.orghttp://packetstormsecurity.com/files/157527/OpenSSL-signature_algorithms_cert-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
openssl-security@openssl.orghttp://seclists.org/fulldisclosure/2020/May/5Mailing List, Third Party Advisory
openssl-security@openssl.orghttp://www.openwall.com/lists/oss-security/2020/04/22/2Mailing List, Third Party Advisory
openssl-security@openssl.orghttps://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=eb563247aef3e83dda7679c43f9649270462e5b1
openssl-security@openssl.orghttps://github.com/irsl/CVE-2020-1967Exploit, Third Party Advisory
openssl-security@openssl.orghttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44440Third Party Advisory
openssl-security@openssl.orghttps://lists.apache.org/thread.html/r66ea9c436da150683432db5fbc8beb8ae01886c6459ac30c2cea7345%40%3Cdev.tomcat.apache.org%3E
openssl-security@openssl.orghttps://lists.apache.org/thread.html/r94d6ac3f010a38fccf4f432b12180a13fa1cf303559bd805648c9064%40%3Cdev.tomcat.apache.org%3E
openssl-security@openssl.orghttps://lists.apache.org/thread.html/r9a41e304992ce6aec6585a87842b4f2e692604f5c892c37e3b0587ee%40%3Cdev.tomcat.apache.org%3E
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDHOAATPWJCXRNFMJ2SASDBBNU5RJONY/
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXDDAOWSAIEFQNBHWYE6PPYFV4QXGMCD/
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVEP3LAK4JSPRXFO4QF4GG2IVXADV3SO/
openssl-security@openssl.orghttps://security.FreeBSD.org/advisories/FreeBSD-SA-20:11.openssl.ascPatch, Third Party Advisory
openssl-security@openssl.orghttps://security.gentoo.org/glsa/202004-10Third Party Advisory
openssl-security@openssl.orghttps://security.netapp.com/advisory/ntap-20200424-0003/Third Party Advisory
openssl-security@openssl.orghttps://security.netapp.com/advisory/ntap-20200717-0004/Third Party Advisory
openssl-security@openssl.orghttps://www.debian.org/security/2020/dsa-4661Third Party Advisory
openssl-security@openssl.orghttps://www.openssl.org/news/secadv/20200421.txtVendor Advisory
openssl-security@openssl.orghttps://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.synology.com/security/advisory/Synology_SA_20_05Third Party Advisory
openssl-security@openssl.orghttps://www.synology.com/security/advisory/Synology_SA_20_05_OpenSSLThird Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2020-03Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2020-04Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2020-11Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2021-10Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00004.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00011.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/157527/OpenSSL-signature_algorithms_cert-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/May/5Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/04/22/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=eb563247aef3e83dda7679c43f9649270462e5b1
af854a3a-2127-422b-91ae-364da2661108https://github.com/irsl/CVE-2020-1967Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44440Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r66ea9c436da150683432db5fbc8beb8ae01886c6459ac30c2cea7345%40%3Cdev.tomcat.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r94d6ac3f010a38fccf4f432b12180a13fa1cf303559bd805648c9064%40%3Cdev.tomcat.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r9a41e304992ce6aec6585a87842b4f2e692604f5c892c37e3b0587ee%40%3Cdev.tomcat.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDHOAATPWJCXRNFMJ2SASDBBNU5RJONY/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXDDAOWSAIEFQNBHWYE6PPYFV4QXGMCD/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVEP3LAK4JSPRXFO4QF4GG2IVXADV3SO/
af854a3a-2127-422b-91ae-364da2661108https://security.FreeBSD.org/advisories/FreeBSD-SA-20:11.openssl.ascPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202004-10Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200424-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200717-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4661Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openssl.org/news/secadv/20200421.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_05Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_05_OpenSSLThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2020-03Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2020-04Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2020-11Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2021-10Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "OpenSSL",
          "vendor": "OpenSSL",
          "versions": [
            {
              "status": "affected",
              "version": "Fixed in OpenSSL 1.1.1g (Affected 1.1.1d-1.1.1f)"
            }
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      "credits": [
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      "datePublic": "2020-04-21T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the \"signature_algorithms_cert\" TLS extension. The crash occurs if an invalid or unrecognised signature algorithm is received from the peer. This could be exploited by a malicious peer in a Denial of Service attack. OpenSSL version 1.1.1d, 1.1.1e, and 1.1.1f are affected by this issue. This issue did not affect OpenSSL versions prior to 1.1.1d. Fixed in OpenSSL 1.1.1g (Affected 1.1.1d-1.1.1f)."
        }
      ],
      "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"
            }
          ]
        }
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          "name": "[tomcat-dev] 20200422 Time for Tomcat Native 1.2.24?",
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        },
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        },
        {
          "name": "20200501 CVE-2020-1967: proving sigalg != NULL",
          "tags": [
            "mailing-list",
            "x_refsource_FULLDISC"
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        },
        {
          "name": "FEDORA-2020-d7b29838f6",
          "tags": [
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            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXDDAOWSAIEFQNBHWYE6PPYFV4QXGMCD/"
        },
        {
          "name": "openSUSE-SU-2020:0933",
          "tags": [
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            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00004.html"
        },
        {
          "name": "openSUSE-SU-2020:0945",
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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