Medium severity5.9NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2017-5384
CVE-2017-5384
Description
Proxy Auto-Config (PAC) files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed to be non-malicious, but if a user has enabled Web Proxy Auto Detect (WPAD) this file can be served remotely. This vulnerability affects Firefox < 51.
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Affected products
4<51+ 1 more
- (no CPE)range: <51
- (no CPE)range: unspecified
- osv-coords2 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
Patches
Vulnerability mechanics
References
5- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPatchVendor Advisory
- www.contextis.com//resources/blog/leaking-https-urls-20-year-old-vulnerability/nvdExploitTechnical DescriptionThird Party Advisory
- www.securityfocus.com/bid/95763nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1037693nvdThird Party AdvisoryVDB Entry
- www.mozilla.org/security/advisories/mfsa2017-01/nvdVendor Advisory
News mentions
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