High severity · published Oct 19, 2021
CVE-2021-30849
Multiple memory corruption issues were addressed with improved memory handling
7.8
CVSS
1.9%
EPSS
No
On KEV
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 14.8 · source: NVD
MA
macOS · Apple
before 12.0.1 · source: NVD
IT
Itunes · Apple
before 12.12 · source: NVD
SA
Safari · Apple
before 15.0 · source: NVD
TV
Tvos · Apple
before 15.0 · source: NVD
WA
Watchos · Apple
before 8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30849
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30849
Mailing List
http://seclists.org/fulldisclosure/2021/Oct/60
Mailing List
http://seclists.org/fulldisclosure/2021/Oct/61
Mailing List
http://seclists.org/fulldisclosure/2021/Oct/62
Mailing List
http://seclists.org/fulldisclosure/2021/Oct/63
Mailing List
http://www.openwall.com/lists/oss-security/2021/10/26/9
Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1
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