CVE-2017-7761

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2017-7761
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-06-11 21:29:00 UTC
Updated2019-10-03 00:03:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-276

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Operating System Microsoft Windows - All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Firefox Esr All All All All

References

ReferenceSourceLinkTags
Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
Mozilla Firefox Multiple Security Vulnerabilities BID www.securityfocus.com Third Party Advisory, VDB Entry
Security vulnerabilities fixed in Firefox ESR 52.2 — Mozilla CONFIRM www.mozilla.org Vendor Advisory
1215648 - (CVE-2017-7761) Maintenance Service helper.exe File Deletion Elevation of Privilege CONFIRM bugzilla.mozilla.org Issue Tracking, Vendor Advisory
Security vulnerabilities fixed in Firefox 54 — Mozilla CONFIRM www.mozilla.org Vendor Advisory
NSIS: Nullsoft Scriptable Install System / Bugs / #1125 Code execution / Privilege escalation problems with NSIS installers MISC sourceforge.net Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report