SB2022121402 - Multiple vulnerabilities in Apple tvOS
Published: December 14, 2022 Updated: January 15, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 31 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2022-46695)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of URLs in Safari. A remote attacker can spoof page content.
2) Type Confusion (CVE-ID: CVE-2022-42856)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
3) Buffer overflow (CVE-ID: CVE-2022-42863)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, 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) Buffer overflow (CVE-ID: CVE-2022-46699)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, 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.
5) Information disclosure (CVE-ID: CVE-2022-46698)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in WebKit. A remote attacker can gain unauthorized access to sensitive information on the system.
6) Buffer overflow (CVE-ID: CVE-2022-46700)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, 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.
7) Buffer overflow (CVE-ID: CVE-2022-46696)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
8) Out-of-bounds read (CVE-ID: CVE-2022-42852)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger an out-of-bounds read error and read contents of memory on the system.
9) Security features bypass (CVE-ID: CVE-2022-46692)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logic issue in WebKit. A remote attacker can trick the victim to visit a specially crafted web page and bypass Same Origin Policy.
10) Buffer overflow (CVE-ID: CVE-2022-46691)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
11) Buffer overflow (CVE-ID: CVE-2022-42867)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, 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.
12) Information disclosure (CVE-ID: CVE-2022-42866)
The vulnerability allows a local application to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Weather application. A local application can read sensitive location information.
13) Improper access control (CVE-ID: CVE-2022-42849)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to improper access restrictions to the privileged API within the Software Update component. A local application can escalate privileges on the system.
14) State Issues (CVE-ID: CVE-2022-42855)
The vulnerability allows a local application to gain access to bypass certain security restrictions.
The vulnerability exists due to a state management issue within the Preferences component. A local application can use arbitrary entitlements.
15) Improper Privilege Management (CVE-ID: CVE-2022-42843)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper privilege management within the Accounts component. A local user can gain access to sensitive information of other users.
16) Resource management error (CVE-ID: CVE-2022-40304)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in entities.c due to the way libxml2 handles reference cycles. The library does not anticipate that entity content can be allocated from a dict and clears it upon reference cycle detection by setting its first byte to zero. This can lead to memory corruption issues, such as double free errors and result in a denial of service.
17) Integer overflow (CVE-ID: CVE-2022-40303)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in parse.c when processing content when XML_PARSE_HUGE is set. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
18) Buffer overflow (CVE-ID: CVE-2022-42845)
The vulnerability allows a local application to escalate privileges on the system.
19) Buffer overflow (CVE-ID: CVE-2022-42842)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in macOS kernel. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.
20) Buffer overflow (CVE-ID: CVE-2022-46701)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in macOS kernel when handling negotiations with NFS server. A remote attacker can trick the victim to connect to an attacker controlled NFS server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
21) Race condition (CVE-ID: CVE-2022-46689)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in macOS kernel. A local application can exploit the race and execute arbitrary code with kernel privileges.
22) Out-of-bounds write (CVE-ID: CVE-2022-46690)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in IOMobileFrameBuffer. A local application can trigger an out-of-bounds write and execute arbitrary code with kernel privileges.
23) Race condition (CVE-ID: CVE-2022-42864)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in IOHIDFamily. A local application can exploit the race and execute arbitrary code with kernel privileges.
24) Out-of-bounds read (CVE-ID: CVE-2022-42851)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in ImageIO when parsing TIFF files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and gain access to sensitive information.
25) Out-of-bounds write (CVE-ID: CVE-2022-46693)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing files in ImageIO. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
26) Improper Privilege Management (CVE-ID: CVE-2022-42848)
The vulnerability allows a local application to escalate privileges on the device.
The vulnerability exists due to improper privilege management in AVEVideoEncoder. A local application can execute arbitrary code with kernel privileges.
27) Security features bypass (CVE-ID: CVE-2022-42865)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to insufficient hardening in AppleMobileFileIntegrity. A local application can bypass Privacy preferences.
28) Out-of-bounds write (CVE-ID: CVE-2022-46694)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted video files in AppleAVD. A remote attacker can create a specially crafted video file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
29) Input validation error (CVE-ID: CVE-2022-42837)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of URLs in iTunes Store. A remote attacker can trick the victim to open a specially crafted URL and execute arbitrary code on the system.
30) Spoofing attack (CVE-ID: CVE-2022-46705)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of URL in WebKit. A remote attacker can spoof the browser's address bar.
31) Improper authentication (CVE-ID: CVE-2022-48618)
The vulnerability allows a local application to compromise the affected system.
The vulnerability exists due to an error within the OS kernel. A local application or user with arbitrary read and write capability can bypass Pointer Authentication and compromise the affected system.
Note, the vulnerability is being actively exploited in the wild against versions of iOS released before iOS 15.7.1.
Remediation
Install update from vendor's website.