CVE-2019-17000

Current Description

An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.

Referenced by CVEs:CVE-2019-17001

Basic Data

PublishedJanuary 08, 2020
Last ModifiedJanuary 13, 2020
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-79
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score5.8
SeverityMEDIUM
Exploitability Score8.6
Impact Score4.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationMozillaFirefox********70.0

Vulnerable Software List

VendorProductVersions
Mozilla Firefox *

References

NameSourceURLTags
https://www.mozilla.org/security/advisories/mfsa2019-34/CONFIRMhttps://www.mozilla.org/security/advisories/mfsa2019-34/Vendor Advisory Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1441468MISChttps://bugzilla.mozilla.org/show_bug.cgi?id=1441468