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CVE-2017-7761
N/ADescription
The Mozilla Maintenance Service "helper.exe" application creates a temporary directory writable by non-privileged users. When this is combined with creation of a junction (a form of symbolic link), protected files in the target directory of the junction can be deleted by 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 < 52.2 and Firefox < 54.
CVE Details
CVSS v3.1 ScoreN/A
Published6/11/2018
Last Modified11/25/2025
Sourcenvd
Honeypot Sightings0
Affected Products
microsoft:windowsmozilla:firefox
Weaknesses (CWE)
CWE-276
References
http://www.securityfocus.com/bid/99057(security@mozilla.org)
http://www.securitytracker.com/id/1038689(security@mozilla.org)
https://bugzilla.mozilla.org/show_bug.cgi?id=1215648(security@mozilla.org)
https://sourceforge.net/p/nsis/bugs/1125/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2017-15/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2017-16/(security@mozilla.org)
http://www.securityfocus.com/bid/99057(af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038689(af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1215648(af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/nsis/bugs/1125/(af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-15/(af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-16/(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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