CVE-2021-1858
Description
Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.
Related CPE's
References
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | HIGH |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | LOCAL |
AvailabilityImpact | HIGH |
IntegrityImpact | HIGH |
PrivilegesRequired | NONE |
BaseScore | 7.8 |
VectorString | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Version | 3.1 |
UserInteraction | REQUIRED |
CvssV2 impact
AccessComplexity | MEDIUM |
ConfidentialityImpact | PARTIAL |
AvailabilityImpact | PARTIAL |
IntegrityImpact | PARTIAL |
BaseScore | 6.8 |
VectorString | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | NONE |