CVE-2021-30661

Published on: 09/08/2021 12:00:00 AM UTC

Last Modified on: 09/20/2021 12:26:00 PM UTC

CVE-2021-30661

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Certain versions of Ipados from Apple contain the following vulnerability:

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

  • CVE-2021-30661 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.8 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags ⓘ Link
About the security content of macOS Big Sur 11.3 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212325
About the security content of watchOS 7.4 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212324
About the security content of tvOS 14.5 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212323
About the security content of iOS 12.5.3 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212341
About the security content of iOS 14.5 and iPadOS 14.5 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212317
About the security content of Safari 14.1 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212318
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Related QID Numbers

  • 180472 Debian Security Update for wpewebkitwebkit2gtk (CVE-2021-30661)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 375503 Apple MacOS Big Sur 11.3 Not Installed (HT212325)
  • 501938 Alpine Linux Security Update for webkit2gtk
  • 610334 Apple iOS 14.5 and iPadOS 14.5 Security Update Missing (HT212317)
  • 610336 Apple iOS 12.5.3 Security Update Missing (HT212341)
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 751623 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0142-1)
  • 751646 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0183-1)
  • 751648 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0182-1)
  • 751659 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-1)
  • 751755 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-2)
  • 960096 Rocky Linux Security Update for GNOME (RLSA-2021:1586)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		AppleIpadosAllAllAllAll
Operating
System		AppleIphone OsAllAllAllAll
Operating
System		AppleMacosAllAllAllAll
ApplicationAppleSafariAllAllAllAll
Operating
System		AppleTvosAllAllAllAll
Operating
System		AppleWatchosAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @grahamgilbert @AnthonyReimer That’s not the vulnerability I was talking about. CVE-2021-30661 is listed on the macOS 11.3 securit… twitter.com/i/web/status/1… 2021-04-27 04:40:44
Twitter Icon @ihackbanme iOS 14.5 is out and (at least) CVE-2021-30661 was exploited in the wild. Reality called to remind us to… twitter.com/i/web/status/1… 2021-04-27 05:38:20
Twitter Icon @apettinen Oh, the same vuln CVE-2021-30661 is of course exploitable in iOS. support.apple.com/en-us/HT212317 2021-04-27 09:19:37
Twitter Icon @ipssignatures The vuln CVE-2021-30661 has a tweet created 0 days ago and retweeted 11 times. twitter.com/ihackbanme/sta… #pow1rtrtwwcve 2021-04-27 17:06:00
Twitter Icon @ITConnect_fr [NEW] - Deux failles Zero-Day corrigées par #Apple : CVE-2021-30657 et CVE-2021-30661 - it-connect.fr/deux-failles-z… #ZeroDay 2021-04-28 06:45:05
Twitter Icon @maddiestone @lorenzofb Where are you getting 11 from? I count 7. CVE-2021-1870 CVE-2021-1871 CVE-2021-1879 CVE-2021-30661 CVE-2… twitter.com/i/web/status/1… 2021-05-05 15:11:10
Twitter Icon @lorenzofb These are the vulns: CVE-2021-1870 CVE-2021-1871 CVE-2021-1879 CVE-2021-30661 CVE-2021-30663 CVE-2021-30665 CVE-202… twitter.com/i/web/status/1… 2021-05-05 15:42:20
Twitter Icon @MSZ_MGS @PepeCobain95 CVE-2021-30661 CVE-2021-30663 CVE-2021-30665 2021-05-30 02:29:49
Twitter Icon @_coreDump @ihackbanme Someone is burning 0days, in May we had CVE-2021-30661/3/5/6 and now 2021-30761/2 2021-06-15 06:19:45
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