Apple watchOS Image out-of-bounds write

entryeditHistoryDiffjsonxmlCTI

A vulnerability, which was classified as critical, has been found in Apple watchOS (Smartwatch Operating System) (unknown version). This issue affects an unknown function of the component Image Handler. Upgrading eliminates this vulnerability.

Field04/03/2021 11:08 AM04/08/2021 04:03 PM
vendorAppleApple
namewatchOSwatchOS
componentImage HandlerImage Handler
cwe787 (memory corruption)787 (memory corruption)
risk22
cvss3_vuldb_acLL
cvss3_vuldb_uiNN
cvss3_vuldb_cLL
cvss3_vuldb_iLL
cvss3_vuldb_aLL
cvss3_vuldb_rlOO
cvss3_vuldb_rcCC
nameUpgradeUpgrade
cveCVE-2020-9955CVE-2020-9955
date1617400800 (04/03/2021)1617400800 (04/03/2021)
typeSmartwatch Operating SystemSmartwatch Operating System
cvss2_vuldb_acLL
cvss2_vuldb_ciPP
cvss2_vuldb_iiPP
cvss2_vuldb_aiPP
cvss2_vuldb_rcCC
cvss2_vuldb_rlOFOF
cvss2_vuldb_avAA
cvss2_vuldb_auSS
cvss2_vuldb_eNDND
cvss3_vuldb_avAA
cvss3_vuldb_prLL
cvss3_vuldb_sUU
cvss3_vuldb_eXX
cvss2_vuldb_basescore5.25.2
cvss2_vuldb_tempscore5.24.5
cvss3_vuldb_basescore5.55.5
cvss3_vuldb_tempscore5.55.3
cvss3_meta_basescore5.55.5
cvss3_meta_tempscore5.55.3
price_0day$5k-$25k$5k-$25k
cve_assigned1583103600
cve_nvd_summaryAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.

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