rhsa-2019:0085
Vulnerability from csaf_redhat
Published
2019-01-16 17:55
Modified
2024-11-14 23:47
Summary
Red Hat Security Advisory: pyOpenSSL security and bug fix update

Notes

Topic
An update for pyOpenSSL is now available for Red Hat OpenStack Platform 13.0 (Queens). 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
The pyOpenSSL packages provide a high-level wrapper around a subset of the OpenSSL library for the Python programming language. Security Fix(es): * pyOpenSSL: Use-after-free in X509 object handling (CVE-2018-1000807) * pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store (CVE-2018-1000808) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
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.


To clipboard 

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          "text": "This vulnerability is only present when a specific and uncommon usage pattern of pyOpenSSL occurs. Red Hat Product Security has audited our packages that use pyOpenSSL, and determined that software we distribute in Red Hat Enterprise Linux and Red Hat Virtualization does not use pyOpenSSL in such a way as to be vulnerable. Future updates may address this issue.",
          "title": "Statement"
        },
        {
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          "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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            "integrityImpact": "HIGH",
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          "text": "Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.",
          "title": "Vulnerability description"
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          "7Workstation-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
          "7Workstation-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2018-1000808"
        },
        {
          "category": "external",
          "summary": "RHBZ#1640216",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1640216"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-1000808",
          "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000808"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000808",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000808"
        }
      ],
      "release_date": "2017-11-29T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-01-16T17:55:12+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Client-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Client-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-DEPLOYMENT-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-DEPLOYMENT-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Workstation-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Workstation-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:0085"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "7Client-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Client-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-DEPLOYMENT-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-DEPLOYMENT-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Server-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Server-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch",
            "7Workstation-RH7-RHOS-TOOLS-13.0:pyOpenSSL-0:17.5.0-1.el7ost.src",
            "7Workstation-RH7-RHOS-TOOLS-13.0:python2-pyOpenSSL-0:17.5.0-1.el7ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store"
    }
  ]
}


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