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ZMCIRT Vulnerability Bulletin
ZMC-2021.04.15.0900
Google Chrome Stable Channel Update for Desktop
15th April 2021
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Product: Google Chrome
Publisher: Google
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Increased Privileges -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21221 CVE-2021-21219 CVE-2021-21218
CVE-2021-21217 CVE-2021-21216 CVE-2021-21215
CVE-2021-21214 CVE-2021-21213 CVE-2021-21212
CVE-2021-21211 CVE-2021-21210 CVE-2021-21209
CVE-2021-21208 CVE-2021-21207 CVE-2021-21205
CVE-2021-21204 CVE-2021-21203 CVE-2021-21202
CVE-2021-21201
Original Bulletin:
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html
Stable Channel Update for Desktop
Wednesday, April 14, 2021
The Chrome team is delighted to announce the promotion of Chrome 90 to the
stable channel for Windows, Mac and Linux. This will roll out over the coming
days/weeks.
Chrome 90.0.4430.72 contains a number of fixes and improvements -- a list of
changes is available in the log. Watch out for upcoming Chrome and Chromium
blog posts about new features and big efforts delivered in 90.
Security Fixes and Rewards
Note: Access to bug details and links may be kept restricted until a majority
of users are updated with a fix. We will also retain restrictions if the bug
exists in a third party library that other projects similarly depend on, but
haven't yet fixed.
This update includes 37 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
more information.
[$20000][1025683] High CVE-2021-21201: Use after free in permissions. Reported
by Gengming Liu, Jianyu Chen at Tencent Keen Security Lab on 2019-11-18
[$10000][1188889] High CVE-2021-21202: Use after free in extensions. Reported
by David Erceg on 2021-03-16
[$5000][1192054] High CVE-2021-21203: Use after free in Blink. Reported by
asnine on 2021-03-24
[$1000][1189926] High CVE-2021-21204: Use after free in Blink. Reported by
Chelse Tsai-Simek, Jeanette Ulloa, and Emily Voigtlander of Seesaw on
2021-03-19
[$TBD][1165654] High CVE-2021-21205: Insufficient policy enforcement in
navigation. Reported by Alison Huffman, Microsoft Browser Vulnerability
Research on 2021-01-12
[$TBD][1195333] High CVE-2021-21221: Insufficient validation of untrusted input
in Mojo. Reported by Guang Gong of Alpha Lab, Qihoo 360 on 2021-04-02
[$5000][1185732] Medium CVE-2021-21207: Use after free in IndexedDB. Reported
by koocola (@alo_cook) and Nan Wang (@eternalsakura13) of 360 Alpha Lab on
2021-03-08
[$3000][1039539] Medium CVE-2021-21208: Insufficient data validation in QR
scanner. Reported by Ahmed Elsobky (@0xsobky) on 2020-01-07
[$3000][1143526] Medium CVE-2021-21209: Inappropriate implementation in
storage. Reported by Tom Van Goethem (@tomvangoethem) on 2020-10-29
[$3000][1184562] Medium CVE-2021-21210: Inappropriate implementation in
Network. Reported by @bananabr on 2021-03-04
[$2000][1103119] Medium CVE-2021-21211: Inappropriate implementation in
Navigation. Reported by Akash Labade (m0ns7er) on 2020-07-08
[$500][1145024] Medium CVE-2021-21212: Incorrect security UI in Network Config
UI. Reported by Hugo Hue and Sze Yiu Chau of the Chinese University of Hong
Kong on 2020-11-03
[$N/A][1161806] Medium CVE-2021-21213: Use after free in WebMIDI. Reported by
raven (@raid_akame) on 2020-12-25
[$TBD][1170148] Medium CVE-2021-21214: Use after free in Network API. Reported
by Anonymous on 2021-01-24
[$TBD][1172533] Medium CVE-2021-21215: Inappropriate implementation in
Autofill. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability
Research on 2021-01-30
[$TBD][1173297] Medium CVE-2021-21216: Inappropriate implementation in
Autofill. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability
Research on 2021-02-02
[$500][1166462] Low CVE-2021-21217: Uninitialized Use in PDFium. Reported by
Zhou Aiting (@zhouat1) of Qihoo 360 Vulcan Team on 2021-01-14
[$500][1166478] Low CVE-2021-21218: Uninitialized Use in PDFium. Reported by
Zhou Aiting (@zhouat1) of Qihoo 360 Vulcan Team on 2021-01-14
[$500][1166972] Low CVE-2021-21219: Uninitialized Use in PDFium. Reported by
Zhou Aiting (@zhouat1) of Qihoo 360 Vulcan Team on 2021-01-15
We would also like to thank all security researchers that worked with us during
the development cycle to prevent security bugs from ever reaching the stable
channel.As usual, our ongoing internal security work was responsible for a wide
range of fixes:
o [1198709] Various fixes from internal audits, fuzzing and other initiatives
ZMCIRT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. ZMCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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