{"id":"CVE-2017-7760","aliases":["EUVD-2017-16735","GHSA-v3f8-p9hj-32cj","MGASA-2018-0018"],"status":"published","title":"The Mozilla Windows updater modifies some files to be updated by reading the original file and...","description":"The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR \u003c 52.2 and Firefox \u003c 54.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00399,"percentile":0.34324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-417"],"published":"2018-01-02T11:48:29Z","modified":"2026-06-17T01:25:08Z","affected":[{"source":"osv","ecosystem":"Mageia:5","package":"iceape","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.49.1-3.mga5"}]}],"bundled":112},{"source":"osv","ecosystem":"Mageia:6","package":"iceape","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.49.1-3.mga6"}]}],"bundled":112}],"products":[{"vendor":"mozilla","product":"firefox"},{"vendor":"mozilla","product":"firefox esr"}],"references":[{"url":"http://www.securityfocus.com/bid/99057","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-15/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1038689","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1348645","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-16/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7760"},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-15"},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-16"},{"url":"https://github.com/advisories/GHSA-v3f8-p9hj-32cj"},{"url":"https://advisories.mageia.org/MGASA-2018-0018.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22283","tags":["report"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-05/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-19/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-25/","tags":["advisory"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-28/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-7760","description":"The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR \u003c 52.2 and Firefox \u003c 54.","status":"published","published":"2018-06-11T21:00:00Z","modified":"2024-08-05T16:12:28.353Z","updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16735","description":"The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR \u003c 52.2 and Firefox \u003c 54.","status":"published","published":"2018-06-11T21:00:00Z","modified":"2024-08-05T16:12:28Z","updated_at":"2026-11-03T02:39:07.559484Z"}],"ghsa":[{"id":"GHSA-v3f8-p9hj-32cj","title":"The Mozilla Windows updater modifies some files to be updated by reading the original file and...","description":"The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR \u003c 52.2 and Firefox \u003c 54.","status":"published","published":"2022-05-14T03:07:23Z","modified":"2025-11-25T18:33:17Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:04:56.973775Z"}],"nvd":[{"id":"CVE-2017-7760","description":"The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR \u003c 52.2 and Firefox \u003c 54.","status":"published","published":"2018-06-11T21:29:08.25Z","modified":"2026-06-17T01:25:08.53Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-417"],"updated_at":"2026-11-02T14:04:18.679411Z"}],"osv":[{"id":"MGASA-2018-0018","title":"Updated iceape packages fix security vulnerabilities","description":"Updated iceape packages include security fixes from upstream Seamonkey\nand Firefox:\n\nMultiple flaws were found in the way Iceape 2.48 processes various types\nof web content, where loading a web page containing malicious content\ncould cause Iceape to crash, execute arbitrary code, or disclose\nsensitive information. (CVE-2016-10196,CVE-2017-5398,CVE-2017-5399,\nCVE-2017-5400,CVE-2017-5401,CVE-2017-5402,CVE-2017-5403,CVE-2017-5404,\nCVE-2017-5405,CVE-2017-5406,CVE-2017-5407,CVE-2017-5409,CVE-2017-5410,\nCVE-2017-5411,CVE-2017-5408,CVE-2017-5412,CVE-2017-5413,CVE-2017-5414,\nCVE-2017-5415,CVE-2017-5416,CVE-2017-5417,CVE-2017-5425,CVE-2017-5426,\nCVE-2017-5427,CVE-2017-5418,CVE-2017-5419,CVE-2017-5420,CVE-2017-5421,\nCVE-2017-5422,CVE-2017-5429,CVE-2017-5430,CVE-2017-5432,CVE-2017-5433,\nCVE-2017-5434,CVE-2017-5435,CVE-2017-5436,CVE-2017-5438,CVE-2017-5439,\nCVE-2017-5440,CVE-2017-5441,CVE-2017-5442,CVE-2017-5443,CVE-2017-5444,\nCVE-2017-5445,CVE-2017-5446,CVE-2017-5447,CVE-2017-5448,CVE-2017-5449,\nCVE-2017-5451,CVE-2017-5454,CVE-2017-5455,CVE-2017-5456,CVE-2017-5459,\nCVE-2017-5460,CVE-2017-5461,CVE-2017-5462,CVE-2017-5464,CVE-2017-5465,\nCVE-2017-5466,CVE-2017-5467,CVE-2017-5469,CVE-2017-5470,CVE-2017-5472,\nCVE-2017-7749,CVE-2017-7750,CVE-2017-7751,CVE-2017-7752,CVE-2017-7753,\nCVE-2017-7754,CVE-2017-7755,CVE-2017-7756,CVE-2017-7757,CVE-2017-7758,\nCVE-2017-7760,CVE-2017-7761,CVE-2017-7763,CVE-2017-7764,CVE-2017-7765,\nCVE-2017-7766,CVE-2017-7767,CVE-2017-7768,CVE-2017-7778,CVE-2017-7779,\nCVE-2017-7782,CVE-2017-7784,CVE-2017-7785,CVE-2017-7786,CVE-2017-7787,\nCVE-2017-7791,CVE-2017-7792,CVE-2017-7793,CVE-2017-7798,CVE-2017-7800,\nCVE-2017-7801,CVE-2017-7802,CVE-2017-7803,CVE-2017-7804,CVE-2017-7805,\nCVE-2017-7807,CVE-2017-7809,CVE-2017-7810,CVE-2017-7814,CVE-2017-7818,\nCVE-2017-7819,CVE-2017-7823,CVE-2017-7824,CVE-2017-7825,CVE-2017-7826,\nCVE-2017-7828,CVE-2017-7830,CVE-2017-7843,CVE-2017-7845)\n","status":"published","published":"2018-01-02T11:48:29Z","modified":"2026-04-16T06:24:36.415771916Z","updated_at":"2026-11-02T15:49:40.442238Z"}]}}