suse-su-2021:14609-1
Vulnerability from csaf_suse
Published
2021-01-29 08:37
Modified
2021-01-29 08:37
Summary
Security update for MozillaFirefox

Notes

Title of the patch
Security update for MozillaFirefox
Description of the patch
This update for MozillaFirefox fixes the following issues: - Firefox Extended Support Release 78.7.0 ESR (MFSA 2021-04, bsc#1181414) * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC * CVE-2021-23964: Fixed Memory safety bugs
Patchnames
slessp4-MozillaFirefox-14609
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
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      "text": "important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
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        "text": "This update for MozillaFirefox fixes the following issues:\n\n- Firefox Extended Support Release 78.7.0 ESR  (MFSA 2021-04, bsc#1181414)\n  * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests\n  * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements\n  * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been\n  * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC\n  * CVE-2021-23964: Fixed Memory safety bugs \n",
        "title": "Description of the patch"
      },
      {
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
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    "publisher": {
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      },
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    ],
    "title": "Security update for MozillaFirefox",
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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2020-26976"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox \u003c 84.",
          "title": "CVE description"
        }
      ],
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          "summary": "SUSE Bug 1180039 for CVE-2020-26976",
          "url": "https://bugzilla.suse.com/1180039"
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          "summary": "SUSE Bug 1181414 for CVE-2020-26976",
          "url": "https://bugzilla.suse.com/1181414"
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      ],
      "notes": [
        {
          "category": "general",
          "text": "If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7.",
          "title": "CVE description"
        }
      ],
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      ],
      "notes": [
        {
          "category": "general",
          "text": "Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7.",
          "title": "CVE description"
        }
      ],
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        },
        {
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            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.7.0-78.114.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.7.0-78.114.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.7.0-78.114.1.x86_64"
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      "scores": [
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          "text": "https://www.suse.com/security/cve/CVE-2021-23960"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7.",
          "title": "CVE description"
        }
      ],
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          "url": "https://bugzilla.suse.com/1181414"
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            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.7.0-78.114.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.7.0-78.114.1.x86_64"
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          "text": "https://www.suse.com/security/cve/CVE-2021-23964"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.7.0-78.114.1.x86_64",
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          "url": "https://www.suse.com/security/cve/CVE-2021-23964"
        },
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          "summary": "SUSE Bug 1181414 for CVE-2021-23964",
          "url": "https://bugzilla.suse.com/1181414"
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            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.7.0-78.114.1.x86_64"
          ]
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      "scores": [
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            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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          "products": [
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.7.0-78.114.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.7.0-78.114.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.7.0-78.114.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-01-29T08:37:16Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-23964"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.