CVE-2021-21163 — Origin Validation Error in Google Chrome

CWE-346 — Origin Validation Error6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.6%
top 31.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedMar 9
Latest updateMay 24

Description

Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 89.0.4389.72
▶NVDgoogle/chrome< 89.0.4389.72
▶debiandebian/chromium< chromium 89.0.4389.82-1 (bookworm)
▶Debianchromium/chromium< 89.0.4389.82-1+3

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

🔴Vulnerability Details

2
GHSA
GHSA-45qq-5333-g6h7: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89↗2022-05-24
▶
OSV
CVE-2021-21163: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89↗2021-03-09
▶

📋Vendor Advisories

3
Microsoft
Chromium CVE-2021-21163: Insufficient data validation in Reader Mode↗2021-03-09
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-21162↗2021-03-02
▶
Debian
CVE-2021-21163: chromium - Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89....↗2021
▶