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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:146605
[Eng]
Version
1
Class
patch
ALTXid
346162
Language
Russian
Severity
Medium
Title
Обновление USN-4717-1 -- уязвимости Firefox
Description
Multiple security issues were discovered in Firefox.
Family
unix
Platform
Ubuntu 16.04
Ubuntu 18.04
Ubuntu 20.04
Ubuntu 20.10
Product
firefox
Reference
VENDOR: USN-4717-1
VENDOR: USN-4717-1
Id:
USN-4717-1
Reference:
https://ubuntu.com/security/notices/USN-4717-1
CVE: CVE-2021-23954
CVE: CVE-2021-23954
Id:
CVE-2021-23954
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23954
Comment
: Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
843 (Access of Resource Using Incompatible Type ('Type Confusion'))
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1684020 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-04/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-05/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23964
CVE: CVE-2021-23964
Id:
CVE-2021-23964
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23964
Comment
: Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662507%2C1666285%2C1673526%2C1674278%2C1674835%2C1675097%2C1675844%2C1675868%2C1677590%2C1677888%2C1680410%2C1681268%2C1682068%2C1682938%2C1683736%2C1685260%2C1685925 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-04/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-05/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23958
CVE: CVE-2021-23958
Id:
CVE-2021-23958
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23958
Comment
: The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE:
668 (Exposure of Resource to Wrong Sphere)
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1642747 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23960
CVE: CVE-2021-23960
Id:
CVE-2021-23960
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23960
Comment
: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1675755 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-04/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-05/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23963
CVE: CVE-2021-23963
Id:
CVE-2021-23963
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23963
Comment
: When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission. This vulnerability affects Firefox < 85.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSSv3 Score:
4.3
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE:
281 (Improper Preservation of Permissions)
References:
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
https://bugzilla.mozilla.org/show_bug.cgi?id=1680793 (MISC)
CVE: CVE-2021-23955
CVE: CVE-2021-23955
Id:
CVE-2021-23955
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23955
Comment
: The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSSv3 Score:
6.1
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE:
1021 ()
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1684837 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23961
CVE: CVE-2021-23961
Id:
CVE-2021-23961
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23961
Comment
: Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.4
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
References:
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
https://bugzilla.mozilla.org/show_bug.cgi?id=1677940 (MISC)
DSA-4895 (DEBIAN)
[debian-lts-announce] 20210422 [SECURITY] [DLA 2632-1] thunderbird security update (MLIST)
DSA-4897 (DEBIAN)
[debian-lts-announce] 20210423 [SECURITY] [DLA 2633-1] firefox-esr security update (MLIST)
GLSA-202104-09 (GENTOO)
GLSA-202104-10 (GENTOO)
CVE: CVE-2021-23962
CVE: CVE-2021-23962
Id:
CVE-2021-23962
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23962
Comment
: Incorrect use of the '<RowCountChanged>' method could have led to a user-after-poison and a potentially exploitable crash. This vulnerability affects Firefox < 85.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1677194 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
CVE: CVE-2021-23953
CVE: CVE-2021-23953
Id:
CVE-2021-23953
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23953
Comment
: If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
4.3
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
References:
https://www.mozilla.org/security/advisories/mfsa2021-04/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-05/ (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
https://bugzilla.mozilla.org/show_bug.cgi?id=1683940 (MISC)
CVE: CVE-2021-23956
CVE: CVE-2021-23956
Id:
CVE-2021-23956
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23956
Comment
: An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
References:
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
https://bugzilla.mozilla.org/show_bug.cgi?id=1338637 (MISC)
CVE: CVE-2021-23965
CVE: CVE-2021-23965
Id:
CVE-2021-23965
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23965
Comment
: Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1670378%2C1673555%2C1676812%2C1678582%2C1684497 (MISC)
https://www.mozilla.org/security/advisories/mfsa2021-03/ (MISC)
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