CVE-2021-30734

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

Last Modified on: 01/09/2023 04:41:00 PM UTC

CVE-2021-30734

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:

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2021-30734 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo Apple - iOS and iPadOS version < 14.6
  • Affected Vendor/Software: URL Logo Apple - macOS version < 11.4
  • Affected Vendor/Software: URL Logo Apple - macOS version < 14.6
  • Affected Vendor/Software: URL Logo Apple - macOS version < 7.5
  • Affected Vendor/Software: URL Logo Apple - macOS version < 14.1

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 Safari 14.1.1 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212534
About the security content of watchOS 7.5 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212533
About the security content of tvOS 14.6 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212532
About the security content of macOS Big Sur 11.4 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212529
About the security content of iOS 14.6 and iPadOS 14.6 - Apple Support support.apple.com
text/html
 URL Logo MISC support.apple.com/en-us/HT212528
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Related QID Numbers

  • 159499 Oracle Enterprise Linux Security Update for GNOME (ELSA-2021-4381)
  • 178727 Debian Security Update for webkit2gtk (DSA 4945-1)
  • 179827 Debian Security Update for webkit2gtkwpewebkit (CVE-2021-30734)
  • 198444 Ubuntu Security Notification for WebKitGTK vulnerabilities (USN-5024-1)
  • 239811 Red Hat Update for gnome security (RHSA-2021:4381)
  • 281748 Fedora Security Update for webkit2gtk3 (FEDORA-2021-cf7d8c7b1a)
  • 281779 Fedora Security Update for webkit2gtk3 (FEDORA-2021-3de956ceee)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 375587 Apple Safari Multiple Vulnerabilities (HT212534)
  • 375588 Apple MacOS Big Sur 11.4 Not Installed (HT212529)
  • 501942 Alpine Linux Security Update for webkit2gtk
  • 610342 Apple iOS 14.6 and iPadOS 14.6 Security Update Missing
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 750913 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:2600-1)
  • 750917 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:2598-1)
  • 750943 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:1101-1)
  • 750971 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:2762-1)
  • 940070 AlmaLinux Security Update for GNOME (ALSA-2021:4381)
  • 960077 Rocky Linux Security Update for GNOME (RLSA-2021:4381)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		AppleIpadosAllAllAllAll
Operating
System		AppleIpad OsAllAllAllAll
Operating
System		AppleIphone OsAllAllAllAll
Operating
System		AppleMacosAllAllAllAll
Operating
System		AppleMac OsAllAllAllAll
ApplicationAppleSafariAllAllAllAll
Operating
System		AppleTvosAllAllAllAll
Operating
System		AppleWatchosAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:*:
  • 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 @ret2systems Check out how we used 32gb of RAM to exploit a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari… twitter.com/i/web/status/1… 2021-06-02 15:11:46
Twitter Icon @CybrXx0 Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari via /r/netsec… twitter.com/i/web/status/1… 2021-06-02 15:26:26
Twitter Icon @_r_netsec Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari blog.ret2.io/2021/06/02/pwn… 2021-06-02 15:28:06
Twitter Icon @Myinfosecfeed New post: "Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari" ift.tt/2Twonux 2021-06-02 15:52:43
Twitter Icon @Dinosn Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari reddit.com/r/netsec/comme… 2021-06-03 03:17:17
Twitter Icon @ajayfuloria Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari reddit.com/r/netsec/comme…… twitter.com/i/web/status/1… 2021-06-03 03:33:26
Twitter Icon @ipssignatures The vuln CVE-2021-30734 has a tweet created 0 days ago and retweeted 10 times. twitter.com/Dinosn/status/… #pow1rtrtwwcve 2021-06-03 07:06:01
Twitter Icon @M1naCrisOfficia Check out how we used 32gb of RAM to exploit a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari… twitter.com/i/web/status/1… 2021-06-03 08:54:14
Twitter Icon @MDX_0x0 Exploiting a #zeroday #WebAssembly Vulnerability (CVE-2021-30734) in Apple #Safari reddit.com/r/netsec/comme… 2021-06-03 10:28:53
Twitter Icon @Har_sia CVE-2021-30734 har-sia.info/CVE-2021-30734… #HarsiaInfo 2021-06-03 15:01:05
Twitter Icon @ipssignatures The vuln CVE-2021-30734 has a tweet created 0 days ago and retweeted 10 times. twitter.com/_r_netsec/stat… #pow1rtrtwwcve 2021-06-03 15:06:01
Twitter Icon @Captain_Fadhily Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari blog.ret2.io/2021/06/02/pwn… 2021-06-04 08:40:44
Twitter Icon @binitamshah How we used 32gb of RAM to exploit a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari (Exploitat… twitter.com/i/web/status/1… 2021-06-04 10:04:32
Twitter Icon @feedpushr Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) reddit.com/r/programming/… 2021-06-04 11:00:26
Twitter Icon @softwaremars #software Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) ift.tt/2SNnL3q https://t.co/QZwSBYBHej 2021-06-04 11:37:54
Twitter Icon @ipssignatures The vuln CVE-2021-30734 has a tweet created 0 days ago and retweeted 15 times. twitter.com/binitamshah/st… #pow1rtrtwwcve 2021-06-04 13:06:00
Twitter Icon @cont_learn Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) reddit.com/ns2blx #programming 2021-06-04 14:00:04
Twitter Icon @Har_sia CVE-2021-30734 har-sia.info/CVE-2021-30734… #HarsiaInfo 2021-06-04 15:02:04
Twitter Icon @Vishnudxb Zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari blog.ret2.io/2021/06/02/pwn… 2021-06-04 17:18:01
Twitter Icon @reddit_progr Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) blog.ret2.io/2021/06/02/pwn… /post reddit.com/r/programming/… 2021-06-04 20:16:53
Twitter Icon @GavLaaaaaaaa Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) blog.ret2.io/2021/06/02/pwn… #programming… twitter.com/i/web/status/1… 2021-06-05 04:52:03
Twitter Icon @reddit4devs ift.tt/3vQOR8D Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) 2021-06-05 07:34:43
Twitter Icon @thebaffledengg Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) blog.ret2.io/2021/06/02/pwn… 2021-06-10 07:30:03
Twitter Icon @techadversary Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari reddit.com/r/netsec/comme… https://t.co/cxyhJAPSgi 2021-07-22 14:51:33
Reddit Logo Icon /r/netsec Exploiting a zero-day WebAssembly Vulnerability (CVE-2021-30734) in Apple Safari 2021-06-02 15:14:27
Reddit Logo Icon /r/programming Exploitation of a JavaScriptCore WebAssembly Vulnerability (CVE-2021-30734) 2021-06-04 10:55:43
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