VulnerabilityModified

CVE-2017-5455

The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process.

HIGH 7.5EPSS 3.50%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 3.50% probability · 88th percentile
CISA KEV: Not listed
Affected: redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation · mozilla/firefox
Source: security@mozilla.org

References

http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1341191Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1341191Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.