SB2023051739 - Red Hat Enterprise Linux 8 update for the virt:rhel and virt-devel:rhel modules
Published: May 17, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-46790)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the ntfsck in NTFS-3G when processing specially crafted NTFS filesystem. A local user can mount a malicious NTFS filesystem, trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.
2) Integer underflow (CVE-ID: CVE-2022-3165)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow in the QEMU VNC server while processing ClientCutText messages in the extended format. A remote client can send a specially crafted payload message to the VNC server and perform a denial of service (DoS) attack.
3) Heap-based buffer overflow (CVE-ID: CVE-2022-30784)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in ntfs_get_attribute_value. A remote administrator can use a specially crafted NTFS image file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Heap-based buffer overflow (CVE-ID: CVE-2022-30786)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in ntfs_names_full_collate. A remote administrator can use a specially crafted NTFS image file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Heap-based buffer overflow (CVE-ID: CVE-2022-30788)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in ntfs_mft_rec_alloc. A remote administrator can use a specially crafted NTFS image file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Heap-based buffer overflow (CVE-ID: CVE-2022-30789)
The vulnerability allows a local attacker to execute arbitrary code with escalated privileges.
The vulnerability exists due to a boundary error in the ntfs_check_log_client_array in NTFS-3G. A local attacker can mount a specially crafted NTFS image, trigger a heap-based buffer overflow and execute arbitrary code with escalated privileges.
7) Out-of-bounds read (CVE-ID: CVE-2023-1018)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.