SB2021072231 - Multiple vulnerabilities in Apple macOS Mojave
Published: July 22, 2021 Updated: February 17, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 25 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2021-30805)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within AMD kernel subsystem. A local user can run a specially crafted application to trigger buffer overflow and execute arbitrary code on the system with root privileges.
2) Out-of-bounds write (CVE-ID: CVE-2021-30765)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Intel Graphics Driver. A local user can run a specially crafted program to trigger an out-of-bounds write and cause unexpected system termination or write kernel memory.
3) Buffer overflow (CVE-ID: CVE-2021-30799)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Security restrictions bypass (CVE-ID: CVE-2021-30782)
The vulnerability allows a local application to bypass implemented security restrictions
The vulnerability exists due to improperly imposed security restrictions in Sandbox component. A local application cab access restricted files.
5) Input validation error (CVE-ID: CVE-2021-30796)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the Model I/O subsystem. A remote attacker can trick the victim to open a specially crafted USD image and perform a denial of service (DoS) attack.
6) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30783)
The vulnerability allows a local application to bypass sandbox restrictions.
The vulnerability exists due to improperly imposed security restrictions within the CoreServices subsystem. A sandboxed process may be able to circumvent sandbox restrictions.
7) Security features bypass (CVE-ID: CVE-2021-30677)
The vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to a logic issue in LaunchServices. A local application can break out of its sandbox.
8) Security restrictions bypass (CVE-ID: CVE-2021-30793)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to logic error within the OS Kernel subsystem. A local application can execute arbitrary code with kernel privileges.
9) Double Free (CVE-ID: CVE-2021-30703)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the OS kernel subsystem. A local user can trigger a double free error and execute arbitrary code with kernel privileges.
10) Out-of-bounds write (CVE-ID: CVE-2021-30766)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Intel Graphics Driver. A local user can run a specially crafted program to trigger an out-of-bounds write and cause unexpected system termination or write kernel memory.
11) Out-of-bounds write (CVE-ID: CVE-2021-30787)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Intel Graphics Driver in process_token_BindQueryStoreRegisterToMemoryList within the AppleIntelKBLGraphics kext. A local user can run a specially crafted program to trigger an out-of-bounds write and cause unexpected system termination or write kernel memory.
12) Out-of-bounds read (CVE-ID: CVE-2021-30790)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within AppKit component. A remote attacker can create a specially crafted JPG or PDF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Successful vulnerability exploitation may lead to remote code execution.
13) Out-of-bounds read (CVE-ID: CVE-2021-30788)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in FontParser component. A remote attacker can create a specially crafted TTF font file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
14) Stack-based buffer overflow (CVE-ID: CVE-2021-30759)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing font files in FontParser in libType1Scaler library. A remote unauthenticated attacker can trick the victim to open a specially crafted PFB font file, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
15) Integer overflow (CVE-ID: CVE-2021-30760)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in FontParser. A remote attacker can pass specially crafted font file, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
16) Out-of-bounds write (CVE-ID: CVE-2021-30780)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within CVMS subsystem. A local user can trigger out-of-bounds write and execute arbitrary code with root privileges.
17) Out-of-bounds read (CVE-ID: CVE-2021-30733)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within CoreText. A remote attacker can create a specially crafted font file, trick the victim into opening it, trigger out-of-bounds read error and read contents of process memory.
18) Code Injection (CVE-ID: CVE-2021-30777)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to improper input validation within the CoreStorage subsystem. A local application can inject and execute arbitrary code with root privileges.
19) Buffer overflow (CVE-ID: CVE-2021-30672)
The vulnerability allows a local application to escalate privilege son the system.
The vulnerability exists due to a boundary error within Bluetooth implementation. A local application can trigger memory corruption and execute arbitrary code on the target system with root privileges.
20) Input validation error (CVE-ID: CVE-2021-30781)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input within the Audio subsystem. A local user can execute arbitrary code with elevated privileges.
21) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30772)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions within the CoreServices subsystem. A local user can execute arbitrary code with root privileges.
22) Input validation error (CVE-ID: CVE-2021-30784)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input within IOKit. A local application can execute arbitrary code with root privileges.
23) Out-of-bounds read (CVE-ID: CVE-2021-30791)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Model I/O. A remote attacker can create a specially crafted ABC file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
24) Out-of-bounds write (CVE-ID: CVE-2021-30792)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in Model I/O. A remote attacker can create a specially crafted ABC file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
25) Information disclosure (CVE-ID: CVE-2021-30811)
The vulnerability allows a local application to gain access to potentially sensitive information.
The vulnerability exists due to unspecified error within AppleMobileFileIntegrity. A local application can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.