CVE-2019-9797 Information

Description

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox 66.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.html https://access.redhat.com/errata/RHSA-2019:1265 https://access.redhat.com/errata/RHSA-2019:1267 https://access.redhat.com/errata/RHSA-2019:1269 https://access.redhat.com/errata/RHSA-2019:1308 https://access.redhat.com/errata/RHSA-2019:1309 https://access.redhat.com/errata/RHSA-2019:1310 https://bugzilla.mozilla.org/show_bug.cgi?id=1528909 https://lists.debian.org/debian-lts-announce/2019/05/msg00032.html https://lists.debian.org/debian-lts-announce/2019/05/msg00038.html https://seclists.org/bugtraq/2019/May/56 https://seclists.org/bugtraq/2019/May/59 https://seclists.org/bugtraq/2019/May/67 https://usn.ubuntu.com/3997-1/ https://www.debian.org/security/2019/dsa-4448 https://www.debian.org/security/2019/dsa-4451 https://www.mozilla.org/security/advisories/mfsa2019-07/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3