CVE-2017-5454
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.5%
exploitation probability
2.5%top 16% of all CVEs
observed exploitation
nono source reports it
A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
References
https://access.redhat.com/errata/RHSA-2017:1106https://access.redhat.com/errata/RHSA-2017:1201https://bugzilla.mozilla.org/show_bug.cgi?id=1349276https://www.mozilla.org/security/advisories/mfsa2017-10/https://www.mozilla.org/security/advisories/mfsa2017-12/https://www.mozilla.org/security/advisories/mfsa2017-13/http://www.securityfocus.com/bid/97940http://www.securitytracker.com/id/1038320