GSD-2020-15679

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 < (929), Mozilla VPN Windows < 1.2.2, and Mozilla VPN Android 1.1.0 < (1360).
Aliases
Aliases
CVE-2020-15679
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{
  "GSD": {
    "alias": "CVE-2020-15679",
    "id": "GSD-2020-15679"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "aliases": [
        "CVE-2020-15679"
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      "details": "An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 \u003c (929), Mozilla VPN Windows \u003c 1.2.2, and Mozilla VPN Android 1.1.0 \u003c (1360).",
      "id": "GSD-2020-15679",
      "modified": "2023-12-13T01:21:43.326127Z",
      "schema_version": "1.4.0"
    }
  },
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          }
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            "name": "https://www.mozilla.org/security/advisories/mfsa2020-48/",
            "refsource": "MISC",
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          }
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      },
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            }
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      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 4.7
        }
      },
      "lastModifiedDate": "2022-12-29T19:16Z",
      "publishedDate": "2022-12-22T20:15Z"
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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