SB2023051904 - Multiple vulnerabilities in Apple Safari

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2023-32402)

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 open a specially crafted website. trigger an out-of-bounds read error and read contents of memory on the system.

2) Buffer overflow (CVE-ID: CVE-2023-32423)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. 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.

3) Buffer overflow (CVE-ID: CVE-2023-32409)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger memory corruption and break out of Web Content sandbox.

Note, the vulnerability is being actively exploited in the wild.

4) Out-of-bounds read (CVE-ID: CVE-2023-28204)

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 webpage, trigger an out-of-bounds read error and read contents of memory on the system.

Note, the vulnerability is being actively exploited in the wild.

5) Use-after-free (CVE-ID: CVE-2023-32373)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT213762