CVE-2019-11758

Current Description

Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.

Basic Data

PublishedJanuary 08, 2020
Last ModifiedJanuary 13, 2020
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-119
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:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score6.8
SeverityMEDIUM
Exploitability Score8.6
Impact Score6.4
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
    2.3ApplicationMozillaThunderbird********68.2
    2.3ApplicationMozillaFirefox Esr********68.2
    2.3ApplicationMozillaFirefox********69.0

Vulnerable Software List

VendorProductVersions
Mozilla Firefox *
Mozilla Thunderbird *
Mozilla Firefox Esr *

References

NameSourceURLTags
https://www.mozilla.org/security/advisories/mfsa2019-35/CONFIRMhttps://www.mozilla.org/security/advisories/mfsa2019-35/Vendor Advisory Vendor Advisory Vendor Advisory Permissions Required
https://www.mozilla.org/security/advisories/mfsa2019-33/CONFIRMhttps://www.mozilla.org/security/advisories/mfsa2019-33/
https://www.mozilla.org/security/advisories/mfsa2019-25/CONFIRMhttps://www.mozilla.org/security/advisories/mfsa2019-25/
https://bugzilla.mozilla.org/show_bug.cgi?id=1536227CONFIRMhttps://bugzilla.mozilla.org/show_bug.cgi?id=1536227