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AUSCERT External Security Bulletin Redistribution
ESB-2022.2517
USN-5434-1: Firefox vulnerabilities
24 May 2022
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AusCERT Security Bulletin Summary
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Product: Firefox
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-1802 CVE-2022-1529
Original Bulletin:
https://ubuntu.com/security/notices/USN-5434-1
Comment: CVSS (Max): 8.8 CVE-2022-1802 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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USN-5434-1: Firefox vulnerabilities
23 May 2022
Firefox could be made to execute JavaScript in a privileged context if it
opened a malicious website.
Releases
o Ubuntu 21.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o firefox - Mozilla Open Source web browser
Details
It was discovered that the methods of an Array object could be corrupted
as a result of prototype pollution by sending a message to the parent
process. If a user were tricked into opening a specially crafted website,
an attacker could exploit this to execute JavaScript in a privileged
context.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.10
o firefox - 100.0.2+build1-0ubuntu0.21.10.1
Ubuntu 20.04
o firefox - 100.0.2+build1-0ubuntu0.20.04.1
Ubuntu 18.04
o firefox - 100.0.2+build1-0ubuntu0.18.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References
o CVE-2022-1529
o CVE-2022-1802
Related notices
o USN-5435-1 : thunderbird-locale-hr, thunderbird-locale-ka,
thunderbird-locale-bn, thunderbird-locale-dsb, thunderbird-locale-tr,
thunderbird-locale-cs, thunderbird-locale-pl, thunderbird-locale-ta-lk,
thunderbird-locale-he, thunderbird-locale-lt, xul-ext-gdata-provider,
thunderbird-locale-en, thunderbird-locale-fy, thunderbird-locale-pa,
thunderbird-locale-sk, thunderbird-locale-lv, thunderbird-locale-eu,
thunderbird-locale-gd, thunderbird-locale-et, thunderbird-locale-zh-hans,
thunderbird-locale-el, thunderbird-locale-mk, thunderbird-locale-af,
thunderbird, thunderbird-locale-id, thunderbird-locale-fy-nl,
xul-ext-calendar-timezones, thunderbird-locale-sq, thunderbird-locale-sv,
thunderbird-locale-nn-no, thunderbird-locale-da, thunderbird-locale-pt,
thunderbird-locale-de, thunderbird-locale-pt-br, thunderbird-locale-ta,
thunderbird-locale-pa-in, thunderbird-locale-fa, thunderbird-locale-be,
thunderbird-dev, thunderbird-locale-rm, thunderbird-locale-sl,
thunderbird-locale-fr, thunderbird-locale-en-us, thunderbird-locale-nl,
thunderbird-locale-zh-hant, thunderbird-locale-th,
thunderbird-locale-ga-ie, thunderbird-locale-br, thunderbird-locale-nb-no,
thunderbird-locale-sr, thunderbird-locale-ga, thunderbird-locale-ko,
thunderbird-locale-ast, thunderbird-locale-ru, thunderbird-locale-nn,
thunderbird-locale-es, thunderbird-locale-es-ar, thunderbird-locale-gl,
thunderbird-locale-ms, thunderbird-locale-zh-tw, thunderbird-locale-is,
thunderbird-locale-ja, thunderbird-locale-vi, thunderbird-locale-hu,
thunderbird-locale-hy, thunderbird-locale-en-gb, thunderbird-locale-kab,
thunderbird-locale-nb, thunderbird-locale-bn-bd, thunderbird-locale-zh-cn,
thunderbird-locale-es-es, thunderbird-locale-pt-pt, thunderbird-locale-uk,
thunderbird-locale-cak, thunderbird-locale-it, thunderbird-locale-cy,
thunderbird-locale-uz, thunderbird-locale-kk, thunderbird-locale-si,
thunderbird-gnome-support, thunderbird-locale-ca, thunderbird-locale-bg,
xul-ext-lightning, thunderbird-locale-sv-se, thunderbird-locale-ro,
thunderbird-mozsymbols, thunderbird-locale-hsb, thunderbird-locale-fi,
thunderbird-locale-ar
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