cbcvebase.
CVE-2020-6550
published 2020-09-21

CVE-2020-6550: Use after free in IndexedDB in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

PriorityP260high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
29.29%
97.9th percentile
Use after free in IndexedDB in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected

10 ranges
VendorProductVersion rangeFixed in
chromiumchromium>= 0 < 87.0.4280.88-0.187.0.4280.88-0.1
chromiumchromium>= 0 < 87.0.4280.88-0.187.0.4280.88-0.1
chromiumchromium>= 0 < 87.0.4280.88-0.187.0.4280.88-0.1
chromiumchromium>= 0 < 87.0.4280.88-0.187.0.4280.88-0.1
debianchromium< chromium 87.0.4280.88-0.1 (bookworm)chromium 87.0.4280.88-0.1 (bookworm)
debiandebian_linux
fedoraprojectfedora
googlechrome< 84.0.4147.12584.0.4147.125
googlechrome>= unspecified < 84.0.4147.12584.0.4147.125
googlechrome_chrome

Detection & IOCsextracted from sources · hover to see the quote

  • Vulnerability exists in Google Chrome versions prior to 84.0.4147.125; target the IndexedDB component for use-after-free heap corruption via a crafted HTML page
  • Upstream Chromium issue tracker bug ID 1106682 tracks the root cause; useful for patch diffing or PoC research
  • ·Fixed version for Debian-based systems is 87.0.4280.88-0.1, not the upstream fix version 84.0.4147.125; detection based on version strings should account for both upstream and downstream patch versions

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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