CVE-2018-5157

moderate-risk
Published 2018-06-11

Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. This could allow the site to retrieve PDF files restricted to viewing by an authenticated user on a third-party website. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

Do I need to act?

-
0.59% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (18)

Affected Vendors

Debian Redhat Mozilla Canonical

References (22)

Third Party Advisory http://www.securityfocus.com/bid/104136
Third Party Advisory http://www.securitytracker.com/id/1040896
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1414
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1415
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1449898
Mailing List https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
Third Party Advisory https://security.gentoo.org/glsa/201810-01
Third Party Advisory https://usn.ubuntu.com/3645-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4199
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-11/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-12/
Third Party Advisory http://www.securityfocus.com/bid/104136
Third Party Advisory http://www.securitytracker.com/id/1040896
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1414
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1415
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1449898
Mailing List https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
Third Party Advisory https://security.gentoo.org/glsa/201810-01
Third Party Advisory https://usn.ubuntu.com/3645-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4199
and 2 more references
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 19/34 · Moderate