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    CVE-2020-7463

    In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

    Published:Mar 26, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 26, 2021
    EPSS Score:0.00049
    CVSS Score:5.5

    Affected Products

    Vendor
    Apple
    Product
    Icloud
    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Itunes
    Vendor
    Apple
    Product
    Macos
    Vendor
    Apple
    Product
    Safari
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Watchos
    Vendor
    Freebsd
    Product
    Freebsd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2022-46693 (CVSS 7.8) — An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in tvOS 16.2, i…
    CVE-2022-46698 (CVSS 6.5) — A logic issue was addressed with improved checks. This issue is fixed in Safari 16.2, tvOS 16.2, iCloud for Wi…
    CVE-2022-46692 (CVSS 5.5) — A logic issue was addressed with improved state management. This issue is fixed in Safari 16.2, tvOS 16.2, iCl…
    CVE-2020-36521 (CVSS 7.1) — An out-of-bounds read was addressed with improved input validation. This issue is fixed in iCloud for Windows …
    CVE-2018-4302 (CVSS 7.8) — A null pointer dereference was addressed with improved validation. This issue is fixed in macOS High Sierra 10…
    CVE-2021-1811 (CVSS 6.5) — A logic issue was addressed with improved state management. This issue is fixed in iTunes 12.11.3 for Windows,…
    CVE-2021-1857 (CVSS 6.5) — A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11…
    CVE-2021-30928 (CVSS 7.8) — A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 1…
    CVE-2021-1825 (CVSS 6.1) — An input validation issue was addressed with improved input validation. This issue is fixed in iTunes 12.11.3 …
    CVE-2020-29619 (CVSS 7.8) — An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.3, macOS Bi…

    References

    http://seclists.org/fulldisclosure/2021/Apr/49
    http://seclists.org/fulldisclosure/2021/Apr/50
    http://seclists.org/fulldisclosure/2021/Apr/57
    http://seclists.org/fulldisclosure/2021/Apr/58
    http://seclists.org/fulldisclosure/2021/Apr/59
    https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc
    https://support.apple.com/kb/HT212317
    https://support.apple.com/kb/HT212318
    https://support.apple.com/kb/HT212319
    https://support.apple.com/kb/HT212321
    https://support.apple.com/kb/HT212323
    https://support.apple.com/kb/HT212324
    https://support.apple.com/kb/HT212325
    http://seclists.org/fulldisclosure/2021/Apr/49
    http://seclists.org/fulldisclosure/2021/Apr/50
    http://seclists.org/fulldisclosure/2021/Apr/57
    http://seclists.org/fulldisclosure/2021/Apr/58
    http://seclists.org/fulldisclosure/2021/Apr/59
    https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc
    https://support.apple.com/kb/HT212317
    https://support.apple.com/kb/HT212318
    https://support.apple.com/kb/HT212319
    https://support.apple.com/kb/HT212321
    https://support.apple.com/kb/HT212323
    https://support.apple.com/kb/HT212324
    https://support.apple.com/kb/HT212325

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High