Apple iOS/iPadOS FontParser out-of-bounds read

entryeditHistoryDiffjsonxmlCTI

A vulnerability has been found in Apple iOS and iPadOS (Smartphone Operating System) (affected version unknown) and classified as critical. Affected by this vulnerability is some unknown functionality of the component FontParser. Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Field04/03/2021 11:09 AM04/08/2021 04:12 PM
vendorAppleApple
nameiOS/iPadOSiOS/iPadOS
componentFontParserFontParser
cwe125 (information disclosure)125 (information disclosure)
cvss3_vuldb_avNN
cvss3_vuldb_acLL
cvss3_vuldb_prNN
cvss3_vuldb_uiRR
cvss3_vuldb_sUU
cvss3_vuldb_cLL
cvss3_vuldb_iLL
cvss3_vuldb_aLL
cvss3_vuldb_eXX
cvss3_vuldb_rlOO
cvss3_vuldb_rcCC
cvss2_vuldb_avNN
cvss2_vuldb_acLL
cvss2_vuldb_auNN
cvss2_vuldb_ciPP
cvss2_vuldb_iiPP
cvss2_vuldb_aiPP
cvss2_vuldb_eNDND
cvss2_vuldb_rlOFOF
cvss2_vuldb_rcCC
date1607900400 (12/14/2020)1607900400 (12/14/2020)
locationWebsiteWebsite
typeAdvisoryAdvisory
person_nameMickey Jin/Junzhi LuMickey Jin/Junzhi Lu
disputed00
nameUpgradeUpgrade
date1607900400 (12/14/2020)1607900400 (12/14/2020)
cveCVE-2020-9956CVE-2020-9956
cve_assigned15831036001583103600
cve_nvd_summaryAn out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. Processing a maliciously crafted font file may lead to arbitrary code execution.
typeSmartphone Operating System
cvss2_vuldb_basescore7.5
cvss2_vuldb_tempscore6.5
cvss3_vuldb_basescore6.3
cvss3_vuldb_tempscore6.0
cvss3_meta_basescore6.3
cvss3_meta_tempscore6.0
price_0day$25k-$100k
price_trend+

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