Critical severity · published Jun 11, 2018
CVE-2017-5403
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5403
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5403
Third Party Advisory
http://www.securityfocus.com/bid/96691
Third Party Advisory
http://www.securitytracker.com/id/1037966
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1340186
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-09/
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