SB2023051746 - Multiple vulnerabilities in Cloud Foundry Foundation cflinuxfs3
Published: May 17, 2023 Updated: August 16, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Double Free (CVE-ID: CVE-2023-1999)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libwebp. A remote attacker can trick the victim to visit a specially crafted page, trigger a double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Incorrect Regular Expression (CVE-ID: CVE-2023-28755)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing URLs. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.
3) Incorrect Regular Expression (CVE-ID: CVE-2023-28756)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing strings that have specific characters. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
4) Link following (CVE-ID: CVE-2023-25652)
The vulnerability allows a local user to escalate privileges on the system.
The
vulnerability exists due to a symlink following issue in "git apply --reject". A local user can
create a specially crafted symbolic link to write files outside of the worktree.
5) Insufficient verification of data authenticity (CVE-ID: CVE-2023-25815)
The vulnerability allows a local user to tamper with Git messages.
The vulnerability exists due to the way Git processes localized messages. A local user on a multi-user machine can display a malicious message to the user.
6) Input validation error (CVE-ID: CVE-2023-29007)
The vulnerability allows an attacker to tamper with Git configuration.
The vulnerability exists due to insufficient input validation in "git submodule deinit" when renaming or deleting a section from a configuration file. A remote attacker can trick the victim into running the command a malicious configuration file and tamper with Git configuration on the affected system.
Remediation
Install update from vendor's website.