High severity · published Jun 11, 2018
CVE-2018-5157
Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer
7.5
CVSS
1.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.8.0; before 60.0 · source: NVD
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5157
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5157
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
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