CVE-2016-5268
Mozilla Firefox before 48.0 does not properly set the LINKABLE and URI_SAFE_FOR_UNTRUSTED_CONTENT flags of about: URLs that are used for error pages, which makes it easier for remote attackers to conduct spoofing attacks via a crafted URL, as…
Does this matter?
Lower severity and a low EPSS score (1.23%). Track it; it rarely justifies an emergency change on its own.
Description
Mozilla Firefox before 48.0 does not properly set the LINKABLE and URI_SAFE_FOR_UNTRUSTED_CONTENT flags of about: URLs that are used for error pages, which makes it easier for remote attackers to conduct spoofing attacks via a crafted URL, as demonstrated by misleading text after an about:neterror?d= substring.
- CVSS 3.0
- 4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 1.23% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-83.htmlVendor Advisory
- http://www.securityfocus.com/bid/92260
- http://www.securitytracker.com/id/1036508
- http://www.ubuntu.com/usn/USN-3044-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1253673Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/201701-15
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-83.htmlVendor Advisory
- http://www.securityfocus.com/bid/92260
- http://www.securitytracker.com/id/1036508
- http://www.ubuntu.com/usn/USN-3044-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1253673Issue Tracking, Permissions Required
- https://security.gentoo.org/glsa/201701-15
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.