5.5

CVE-2017-7761

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MozillaFirefox Version < 54.0
   MicrosoftWindows Version-
MozillaFirefox ESR Version < 52.2.0
   MicrosoftWindows Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.257
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:N/I:P/A:P
CWE-276 Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.