csaf_suse - suse-su-2021:0955-2

SUSE-SU-2021:0955-2

Vulnerability from csaf_suse - Published: 2022-07-13 13:53 - Updated: 2022-07-13 13:53

Summary

Security update for openssl-1_1

Notes

Title of the patch

Security update for openssl-1_1

Description of the patch

This update for openssl-1_1 fixes the security issue: * CVE-2021-3449: 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 but includes a signature_algorithms_cert extension, then a NULL pointer dereference will result, leading to a crash and a denial of service attack. OpenSSL TLS clients are not impacted by this issue. [bsc#1183852]

Patchnames

SUSE-2021-955,SUSE-SLE-Module-Certifications-15-SP3-2022-2389

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

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  "vulnerabilities": [
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2021-3449"
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          "text": "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).",
          "title": "CVE description"
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          "summary": "CVE-2021-3449",
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          "url": "https://bugzilla.suse.com/1183852"
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      "threats": [
        {
          "category": "impact",
          "date": "2022-07-13T13:53:46Z",
          "details": "important"
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      ],
      "title": "CVE-2021-3449"
    }
  ]
}

CVE-2021-3449 (GCVE-0-2021-3449)

Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43

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).

Severity ?

No CVSS data available.

CWE

NULL pointer dereference

Assigner

openssl

References

URL

Tags

	https://www.openssl.org/news/secadv/20210325.txt
	https://git.openssl.org/gitweb/?p=openssl.git%3Ba…
	https://tools.cisco.com/security/center/content/C…	vendor-advisory
	https://www.debian.org/security/2021/dsa-4875	vendor-advisory
	http://www.openwall.com/lists/oss-security/2021/03/27/1	mailing-list
	http://www.openwall.com/lists/oss-security/2021/03/27/2	mailing-list
	http://www.openwall.com/lists/oss-security/2021/03/28/3	mailing-list
	http://www.openwall.com/lists/oss-security/2021/03/28/4	mailing-list
	https://security.gentoo.org/glsa/202103-03	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://www.oracle.com/security-alerts/cpuApr2021.html
	https://www.tenable.com/security/tns-2021-10
	https://www.tenable.com/security/tns-2021-09
	https://security.netapp.com/advisory/ntap-2021051…
	https://security.netapp.com/advisory/ntap-2021032…
	https://security.FreeBSD.org/advisories/FreeBSD-S…
	https://www.tenable.com/security/tns-2021-06
	https://www.tenable.com/security/tns-2021-05
	https://kc.mcafee.com/corporate/index?page=conten…
	https://www.oracle.com//security-alerts/cpujul2021.html
	https://cert-portal.siemens.com/productcert/pdf/s…
	https://kb.pulsesecure.net/articles/Pulse_Securit…
	https://psirt.global.sonicwall.com/vuln-detail/SN…
	https://lists.debian.org/debian-lts-announce/2021…	mailing-list
	https://www.oracle.com/security-alerts/cpuoct2021.html
	https://www.oracle.com/security-alerts/cpuapr2022.html
	https://cert-portal.siemens.com/productcert/pdf/s…
	https://www.oracle.com/security-alerts/cpujul2022.html
	https://security.netapp.com/advisory/ntap-2024062…

Impacted products

	Vendor	Product	Version
	OpenSSL	OpenSSL	Affected: Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j)

Credits

Peter Kästle (Nokia) and Samuel Sapalski (Nokia)

Show details on NVD website

JSON

To clipboard

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          "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"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "NULL pointer dereference",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-21T19:05:57.096577",
        "orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
        "shortName": "openssl"
      },
      "references": [
        {
          "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",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd"
        },
        {
          "name": "DSA-4875",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4875"
        },
        {
          "name": "[oss-security] 20210327 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"
          ],
          "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"
          ],
          "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"
          ],
          "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"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/03/28/4"
        },
        {
          "name": "GLSA-202103-03",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202103-03"
        },
        {
          "name": "FEDORA-2021-cbf14ab8f9",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/"
        },
        {
          "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"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

SUSE-SU-2021:0955-2

CVE-2021-3449 (GCVE-0-2021-3449)

Tags

Sightings

Nomenclature