rhsa-2020_0466
Vulnerability from csaf_redhat
Published
2020-02-11 08:35
Modified
2024-09-16 03:23
Summary
Red Hat Security Advisory: nss-softokn security update

Notes

Topic
An update for nss-softokn is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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 nss-softokn package provides the Network Security Services Softoken Cryptographic Module. Security Fix(es): * nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate (CVE-2019-11745) 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.
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.


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  "vulnerabilities": [
    {
      "acknowledgments": [
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      "cve": "CVE-2019-11745",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
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      "discovery_date": "2019-11-21T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1774831"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A heap-based buffer overflow was found in the NSC_EncryptUpdate() function in Mozilla nss. A remote attacker could trigger this flaw via SRTP encrypt or decrypt operations, to execute arbitrary code with the permissions of the user running the application (compiled with nss). While the attack complexity is high, the impact to confidentiality, integrity, and availability are high as well.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Firefox and Thunderbird on Red Hat Enterprise Linux are built against the system nss library.",
          "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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:0466"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "6Server-6.6.AUS:nss-softokn-0:3.14.3-23.el6_6.i686",
            "6Server-6.6.AUS:nss-softokn-0:3.14.3-23.el6_6.src",
            "6Server-6.6.AUS:nss-softokn-0:3.14.3-23.el6_6.x86_64",
            "6Server-6.6.AUS:nss-softokn-debuginfo-0:3.14.3-23.el6_6.i686",
            "6Server-6.6.AUS:nss-softokn-debuginfo-0:3.14.3-23.el6_6.x86_64",
            "6Server-6.6.AUS:nss-softokn-devel-0:3.14.3-23.el6_6.i686",
            "6Server-6.6.AUS:nss-softokn-devel-0:3.14.3-23.el6_6.x86_64",
            "6Server-6.6.AUS:nss-softokn-freebl-0:3.14.3-23.el6_6.i686",
            "6Server-6.6.AUS:nss-softokn-freebl-0:3.14.3-23.el6_6.x86_64",
            "6Server-6.6.AUS:nss-softokn-freebl-devel-0:3.14.3-23.el6_6.i686",
            "6Server-6.6.AUS:nss-softokn-freebl-devel-0:3.14.3-23.el6_6.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate"
    }
  ]
}


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