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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Richard Thomas and Tom Chothia (University of Birmingham) as the original reporter.", "affected_release": [{"advisory": "RHSA-2020:3835", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:78.3.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-09-24T00:00:00Z"}, {"advisory": "RHSA-2020:4158", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:78.3.1-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-10-01T00:00:00Z"}, {"advisory": "RHSA-2020:4080", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:78.3.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-30T00:00:00Z"}, {"advisory": "RHSA-2020:4163", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:78.3.1-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-10-01T00:00:00Z"}, {"advisory": "RHSA-2020:3832", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:78.3.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-09-24T00:00:00Z"}, {"advisory": "RHSA-2020:4155", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:78.3.1-1.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-10-01T00:00:00Z"}, {"advisory": "RHSA-2020:3834", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "firefox-0:78.3.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-09-24T00:00:00Z"}, {"advisory": "RHSA-2020:4156", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "thunderbird-0:78.3.1-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-10-01T00:00:00Z"}, {"advisory": "RHSA-2020:3833", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "firefox-0:78.3.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-09-24T00:00:00Z"}, {"advisory": "RHSA-2020:4157", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:78.3.1-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-10-01T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Download origin spoofing via redirect", "id": "1881664", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881664"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-601", "details": ["By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.", "The Mozilla Foundation Security Advisory describes this flaw as:\nBy exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from."], "name": "CVE-2020-15677", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2020-09-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-15677\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-15677\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-43/#CVE-2020-15677"], "threat_severity": "Moderate", "upstream_fix": "thunderbird 78.3, firefox 78.3"}