SB2024080504 - Multiple vulnerabilities in WebKitGTK+ and WPE WebKit

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2024-27808)

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.

2) Information disclosure (CVE-ID: CVE-2024-27850)

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 fingerprint website users.

3) Buffer overflow (CVE-ID: CVE-2024-27851)

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) Information disclosure (CVE-ID: CVE-2024-27838)

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 fingerprint website users.

5) Integer overflow (CVE-ID: CVE-2024-27833)

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

The vulnerability exists due to integer overflow in WebKit. A remote attacker can trick the victim to visit a specially crafted data website, 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.

6) Input validation error (CVE-ID: CVE-2024-27812)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of file protocol. A remote attacker can trick the victim to cl;lick on a specially crafted link and perform a denial of service (DoS) attack.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://support.apple.com/en-us/HT214101
• https://support.apple.com/en-us/HT214106
• https://support.apple.com/en-us/HT214108
• https://support.apple.com/en-us/HT214104
• https://support.apple.com/en-us/HT214103
• https://support.apple.com/en-us/HT214102
• https://support.apple.com/en-us/HT214100
• https://www.zerodayinitiative.com/advisories/ZDI-25-092/