Severity
7.5HIGHNVD
OSV9.8
EPSS
0.6%
top 30.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 11
Latest updateMay 14

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:NExploitability: 3.9 | Impact: 3.6

Affected Packages7 packages

CVEListV5mozilla/firefoxunspecified60
NVDmozilla/firefox< 52.8.0+1
CVEListV5mozilla/firefox_esrunspecified52.8
Ubuntumozilla/firefox< 60.0+build2-0ubuntu0.14.04.1+5

Also affects: Debian Linux 7.0, 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 17.10, 18.04, Enterprise Linux 7.6, 7.5

🔴Vulnerability Details

5
GHSA
GHSA-8h4g-cp4v-9cg4: Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer2022-05-14
OSV
CVE-2018-5157: Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer2018-06-11
CVEList
CVE-2018-5157: Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer2018-06-11
OSV
firefox regression2018-05-18
OSV
firefox vulnerabilities2018-05-11

📋Vendor Advisories

4
Ubuntu
Firefox regression2018-05-18
Ubuntu
Firefox vulnerabilities2018-05-11
Red Hat
Mozilla: Same-origin bypass of PDF Viewer to view protected PDF files2018-05-09
Debian
CVE-2018-5157: firefox - Same-origin protections for the PDF viewer can be bypassed, allowing a malicious...2018

💬Community

1
Bugzilla
CVE-2018-5157 Mozilla: Same-origin bypass of PDF Viewer to view protected PDF files2018-05-09
CVE-2018-5157 — Sensitive Information Exposure | cvebase