csaf_redhat - rhsa-2023

rhsa-2023_3408

Vulnerability from csaf_redhat

Published

2023-05-31 18:42

Modified

2024-09-13 21:12

Summary

Red Hat Security Advisory: openssl security update

Notes

Topic

An update for openssl is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: timing attack in RSA Decryption implementation (CVE-2022-4304) * openssl: double free after calling PEM_read_bio_ex (CVE-2022-4450) * openssl: use-after-free following BIO_new_NDEF (CVE-2023-0215) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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{
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      "text": "Moderate"
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    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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        "url": "https://www.first.org/tlp/"
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        "text": "An update for openssl is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
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        "text": "OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.\n\nSecurity Fix(es):\n\n* openssl: timing attack in RSA Decryption implementation (CVE-2022-4304)\n\n* openssl: double free after calling PEM_read_bio_ex (CVE-2022-4450)\n\n* openssl: use-after-free following BIO_new_NDEF (CVE-2023-0215)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
        "title": "Details"
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      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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    "title": "Red Hat Security Advisory: openssl security update",
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          "text": "A timing-based side channel exists in the OpenSSL RSA Decryption implementation, which could be sufficient to recover a ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption, an attacker would have to be able to send a very large number of trial messages for decryption. This issue affects all RSA padding modes: PKCS#1 v1.5, RSA-OEAP, and RSASVE.",
          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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      "cwe": {
        "id": "CWE-415",
        "name": "Double Free"
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          "category": "description",
          "text": "A double-free vulnerability was found in OpenSSL\u0027s PEM_read_bio_ex function. The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the \"name\" (for example, \"CERTIFICATE\"), any header data, and the payload data. If the function succeeds, then the \"name_out,\" \"header,\" and \"data\" arguments are populated with pointers to buffers containing the relevant decoded data. The caller is responsible for freeing those buffers. Constructing a PEM file that results in 0 bytes of payload data is possible. In this case, PEM_read_bio_ex() will return a failure code but will populate the header argument with a pointer to a freed buffer. A double-free will occur if the caller also frees this buffer. This will most likely lead to a crash. This could be exploited by an attacker who can supply malicious PEM files for parsing to achieve a denial of service attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: double free after calling PEM_read_bio_ex",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This flaw is rated as having a Moderate impact as it is less easily exploited and is only vulnerable in unlikely configurations. Additionally, the upstream advisory (linked in External References) also rates it as Moderate.\n\nThe versions of `shim` as shipped with Red Hat Enterprise Linux 8 and 9 are shipping OpenSSL 1.1.1 and 1.0.2, which do not contain the incorrect code, so those are not affected by this CVE.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "cve": "CVE-2023-0215",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
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      "discovery_date": "2023-01-25T00:00:00+00:00",
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          "text": "2164492"
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          "category": "description",
          "text": "A use-after-free vulnerability was found in OpenSSL\u0027s BIO_new_NDEF function. The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally by OpenSSL to support the SMIME, CMS, and PKCS7 streaming capabilities, but it may also be called directly by end-user applications. The function receives a BIO from the caller, prepends a new BIO_f_asn1 filter BIO onto the front of it to form a BIO chain, and then returns the new head of the BIO chain to the caller. Under certain conditions. For example, if a CMS recipient public key is invalid, the new filter BIO is freed, and the function returns a NULL result indicating a failure. However, in this case, the BIO chain is not properly cleaned up, and the BIO passed by the caller still retains internal pointers to the previously freed filter BIO. If the caller then calls BIO_pop() on the BIO, a use-after-free will occur, possibly resulting in a crash.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: use-after-free following BIO_new_NDEF",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability has been rated as having a moderate impact in alignment with upstream. See the security advisory linked in external references.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
      "title": "openssl: use-after-free following BIO_new_NDEF"
    }
  ]
}

cve-2022-4450

Vulnerability from cvelistv5

Published

2023-02-08 19:04

Modified

2024-08-03 01:41

Severity

Summary

Double free after calling PEM_read_bio_ex

References

URL	Tags
https://www.openssl.org/news/secadv/20230207.txt	vendor-advisory
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=63bcf189be73a9cc1264059bed6f57974be74a83	patch
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bbcf509bd046b34cca19c766bbddc31683d0858b	patch
https://security.gentoo.org/glsa/202402-08

Impacted products

Vendor	Product
OpenSSL	OpenSSL

Show details on NVD website

JSON

To clipboard

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cve-2022-4304

Vulnerability from cvelistv5

Published

2023-02-08 19:04

Modified

2024-08-03 01:34

Severity

Summary

Timing Oracle in RSA Decryption

References

URL	Tags
https://www.openssl.org/news/secadv/20230207.txt	vendor-advisory
https://security.gentoo.org/glsa/202402-08

Impacted products

Vendor	Product
OpenSSL	OpenSSL

Show details on NVD website

JSON

To clipboard

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cve-2023-0215

Vulnerability from cvelistv5

Published

2023-02-08 19:03

Modified

2024-08-02 05:02

Severity

Summary

Use-after-free following BIO_new_NDEF

References

URL	Tags
https://www.openssl.org/news/secadv/20230207.txt	vendor-advisory
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8818064ce3c3c0f1b740a5aaba2a987e75bfbafd	patch
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=c3829dd8825c654652201e16f8a0a0c46ee3f344	patch
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9816136fe31d92ace4037d5da5257f763aeeb4eb	patch
https://security.netapp.com/advisory/ntap-20230427-0007/
https://security.netapp.com/advisory/ntap-20230427-0009/
https://security.gentoo.org/glsa/202402-08
https://security.netapp.com/advisory/ntap-20240621-0006/

Impacted products

Vendor	Product
OpenSSL	OpenSSL

Show details on NVD website

JSON

To clipboard

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            }
          ],
          "value": "The public API function BIO_new_NDEF is a helper function used for streaming\nASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the\nSMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by\nend user applications.\n\nThe function receives a BIO from the caller, prepends a new BIO_f_asn1 filter\nBIO onto the front of it to form a BIO chain, and then returns the new head of\nthe BIO chain to the caller. Under certain conditions, for example if a CMS\nrecipient public key is invalid, the new filter BIO is freed and the function\nreturns a NULL result indicating a failure. However, in this case, the BIO chain\nis not properly cleaned up and the BIO passed by the caller still retains\ninternal pointers to the previously freed filter BIO. If the caller then goes on\nto call BIO_pop() on the BIO then a use-after-free will occur. This will most\nlikely result in a crash.\n\n\n\nThis scenario occurs directly in the internal function B64_write_ASN1() which\nmay cause BIO_new_NDEF() to be called and will subsequently call BIO_pop() on\nthe BIO. This internal function is in turn called by the public API functions\nPEM_write_bio_ASN1_stream, PEM_write_bio_CMS_stream, PEM_write_bio_PKCS7_stream,\nSMIME_write_ASN1, SMIME_write_CMS and SMIME_write_PKCS7.\n\nOther public API functions that may be impacted by this include\ni2d_ASN1_bio_stream, BIO_new_CMS, BIO_new_PKCS7, i2d_CMS_bio_stream and\ni2d_PKCS7_bio_stream.\n\nThe OpenSSL cms and smime command line applications are similarly affected.\n\n\n\n"
        }
      ],
      "metrics": [
        {
          "format": "other",
          "other": {
            "content": {
              "text": "Moderate"
            },
            "type": "https://www.openssl.org/policies/secpolicy.html"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "use-after-free",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-24T14:43:53.180Z",
        "orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
        "shortName": "openssl"
      },
      "references": [
        {
          "name": "OpenSSL Advisory",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.openssl.org/news/secadv/20230207.txt"
        },
        {
          "name": "3.0.8 git commit",
          "tags": [
            "patch"
          ],
          "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8818064ce3c3c0f1b740a5aaba2a987e75bfbafd"
        },
        {
          "name": "1.1.1t git commit",
          "tags": [
            "patch"
          ],
          "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=c3829dd8825c654652201e16f8a0a0c46ee3f344"
        },
        {
          "name": "1.0.2zg patch (premium)",
          "tags": [
            "patch"
          ],
          "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9816136fe31d92ace4037d5da5257f763aeeb4eb"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230427-0007/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230427-0009/"
        },
        {
          "url": "https://security.gentoo.org/glsa/202402-08"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Use-after-free following BIO_new_NDEF",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2023-0215",
    "datePublished": "2023-02-08T19:03:28.691Z",
    "dateReserved": "2023-01-11T11:59:16.647Z",
    "dateUpdated": "2024-08-02T05:02:43.944Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Action not permitted

rhsa-2023_3408

Vulnerability from csaf_redhat

cve-2022-4450

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cve-2022-4304

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cve-2023-0215

Vulnerability from cvelistv5

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