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             AUSCERT External Security Bulletin Redistribution

                     Stable Channel Update for Desktop
                              21 January 2021


        AusCERT Security Bulletin Summary

Product:           Google Chrome
Publisher:         Google
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
                   Unauthorised Access             -- Remote with User Interaction
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-21141 CVE-2021-21140 CVE-2021-21139
                   CVE-2021-21138 CVE-2021-21137 CVE-2021-21136
                   CVE-2021-21135 CVE-2021-21134 CVE-2021-21133
                   CVE-2021-21132 CVE-2021-21131 CVE-2021-21130
                   CVE-2021-21129 CVE-2021-21128 CVE-2021-21127
                   CVE-2021-21126 CVE-2021-21125 CVE-2021-21124
                   CVE-2021-21123 CVE-2021-21122 CVE-2021-21121
                   CVE-2021-21120 CVE-2021-21119 CVE-2021-21118
                   CVE-2021-21117 CVE-2020-16044 

Reference:         ESB-2021.0242

Original Bulletin: 

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Stable Channel Update for Desktop

Tuesday, January 19, 2021

The Chrome team is delighted to announce the promotion of Chrome 88 to the
stable channel for Windows, Mac and Linux. This will roll out over the coming

Chrome 88.0.4324.96 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 88

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 36 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
more information.

[$30000][1137179] Critical CVE-2021-21117: Insufficient policy enforcement in
Cryptohome. Reported by Rory McNamara on 2020-10-10

[$16000][1161357] High CVE-2021-21118: Insufficient data validation in V8. 
Reported by Tyler Nighswander (@tylerni7) of Theori on 2020-12-23

[$5000][1160534] High CVE-2021-21119: Use after free in Media. Reported by
Anonymous on 2020-12-20

[$5000][1160602] High CVE-2021-21120: Use after free in WebSQL. Reported by Nan
Wang(@eternalsakura13) and Guang Gong of 360 Alpha Lab on 2020-12-21

[$5000][1161143] High CVE-2021-21121: Use after free in Omnibox. Reported by
Leecraso and Guang Gong of 360 Alpha Lab on 2020-12-22

[$5000][1162131] High CVE-2021-21122: Use after free in Blink. Reported by
Renata Hodovan on 2020-12-28

[$1000][1137247] High CVE-2021-21123: Insufficient data validation in File
System API. Reported by Maciej Pulikowski on 2020-10-11

[$N/A][1131346] High CVE-2021-21124: Potential user after free in Speech
Recognizer. Reported by Chaoyang Ding(@V4kst1z) from Codesafe Team of Legendsec
at Qi'anxin Group on 2020-09-23

[$N/A][1152327] High CVE-2021-21125: Insufficient policy enforcement in File
System API. Reported by Ron Masas (Imperva) on 2020-11-24

[$N/A][1163228] High CVE-2020-16044: Use after free in WebRTC. Reported by Ned
Williamson of Project Zero on 2021-01-05

[$3000][1108126] Medium CVE-2021-21126: Insufficient policy enforcement in
extensions. Reported by David Erceg on 2020-07-22

[$3000][1115590] Medium CVE-2021-21127: Insufficient policy enforcement in
extensions. Reported by Jasminder Pal Singh, Web Services Point WSP, Kotkapura
on 2020-08-12

[$2000][1138877] Medium CVE-2021-21128: Heap buffer overflow in Blink. Reported
by Liang Dong on 2020-10-15

[$1000][1140403] Medium CVE-2021-21129: Insufficient policy enforcement in File
System API. Reported by Maciej Pulikowski on 2020-10-20

[$1000][1140410] Medium CVE-2021-21130: Insufficient policy enforcement in File
System API. Reported by Maciej Pulikowski on 2020-10-20

[$1000][1140417] Medium CVE-2021-21131: Insufficient policy enforcement in File
System API. Reported by Maciej Pulikowski on 2020-10-20

[$TBD][1128206] Medium CVE-2021-21132: Inappropriate implementation in
DevTools. Reported by David Erceg on 2020-09-15

[$TBD][1157743] Medium CVE-2021-21133: Insufficient policy enforcement in
Downloads. Reported by wester0x01(https://twitter.com/wester0x01) on 2020-12-11

[$TBD][1157800] Medium CVE-2021-21134: Incorrect security UI in Page Info. 
Reported by wester0x01(https://twitter.com/wester0x01) on 2020-12-11

[$TBD][1157818] Medium CVE-2021-21135: Inappropriate implementation in
Performance API. Reported by ndevtk on 2020-12-11

[$2000][1038002] Low CVE-2021-21136: Insufficient policy enforcement in
WebView. Reported by Shiv Sahni, Movnavinothan V and Imdad Mohammed on

[$500][1093791] Low CVE-2021-21137: Inappropriate implementation in DevTools. 
Reported by bobblybear on 2020-06-11

[$500][1122487] Low CVE-2021-21138: Use after free in DevTools. Reported by
Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at Qi'anxin Group on

[$N/A][937131] Low CVE-2021-21139: Inappropriate implementation in iframe
sandbox. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on

[$N/A][1136327] Low CVE-2021-21140: Uninitialized Use in USB. Reported by David
Manouchehri on 2020-10-08

[$N/A][1140435] Low CVE-2021-21141: Insufficient policy enforcement in File
System API. Reported by Maciej Pulikowski on 2020-10-20

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 [1168217] Various fixes from internal audits, fuzzing and other initiatives

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer,
UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.

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