SB2022121922 - Multiple vulnerabilities in IBM QRadar Network Security
Published: December 19, 2022 Updated: March 30, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 23 secuirty vulnerabilities.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2020-24394)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to incorrect assignment of permissions on new filesystem objects when the filesystem lacks ACL support in fs/nfsd/vfs.c (in the NFS server). A local user can read and write arbitrary files on the system.
2) Buffer overflow (CVE-ID: CVE-2018-25032)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when compressing data. A remote attacker can pass specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.
3) Heap-based buffer overflow (CVE-ID: CVE-2021-43527)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling DER-encoded DSA or RSA-PSS signatures. A remote attacker can send specially crafted signatures encoded within CMS, S/MIME, PKCS #7, or PKCS #12 to the application, trigger 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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-22942)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an error in the vmwgfx driver in Linux kernel. A local unprivileged user can gain access to files opened by other processes on the system through a dangling 'file' pointer.
Exploiting this vulnerability requires an attacker to have access to either /dev/dri/card0 or /dev/dri/rendererD128 and be able to issue an ioctl() on the resulting file descriptor.
5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-4155)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to the OS kernel does not impose correctly security restrictions. A local user can gain access to sensitive information on the system.
6) Use-after-free (CVE-ID: CVE-2021-3573)
The vulnerability allows local user to escalate their privileges on the system.
The vulnerability exists due to a use-after-free in hci_sock_bound_ioctl() function of the Linux kernel HCI subsystem triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user can use this flaw to crash the system or escalate privileges on the system.
7) Use-after-free (CVE-ID: CVE-2021-3347)
The vulnerability allows a local user to elevate privileges on the system.
The vulnerability exists due to a use-after-free error when handling PI futexes. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.
8) Use-after-free (CVE-ID: CVE-2021-0920)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the unix_scm_to_skb() function of af_unix.c in Linux kernel. A local user can run a specially crafted program to trigger a race condition and execute arbitrary code with elevated privileges.
9) Use-after-free (CVE-ID: CVE-2020-8648)
The vulnerability allows a local authenticated user to #BASIC_IMPACT#.
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
10) Improper Privilege Management (CVE-ID: CVE-2020-35513)
The vulnerability allows a local user to perform a denial of service attack.
The vulnerability exists due to improper privilege management in the Linux kernel NFS (network file system) functionality in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A local user can trigger the vulnerability to starve the resources and perform a denial of service attack.
11) Out-of-bounds read (CVE-ID: CVE-2020-25643)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the HDLC_PPP module of the Linux kernel in the ppp_cp_parse_cr() function. A remote authenticated user can trigger out-of-bounds read error and read contents of memory on the system.
12) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2020-25212)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a TOCTOU mismatch in the NFS client code in the Linux kernel. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code on the system with elevated privileges.13) Use-after-free (CVE-ID: CVE-2020-15436)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in fs/block_dev.c in the Linux kernel. A local user can run a specially crafted program to escalate privileges on the system.
14) Buffer overflow (CVE-ID: CVE-2020-14385)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the file system metadata validator in XFS. A local user can cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt and shutdown the the filesystem.
15) Out-of-bounds write (CVE-ID: CVE-2020-14331)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Linux kernel’s implementation of the invert video code on VGA consoles. A local user with can run a specially crafted program to call VT_RESIZE IOCTL, trigger an out-of-bounds write and execute arbitrary code on the target system with elevated privileges.
16) Out-of-bounds read (CVE-ID: CVE-2020-14314)
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists.
17) Stack-based buffer overflow (CVE-ID: CVE-2020-10942)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the get_raw_socket() function in drivers/vhost/net.c due to lack of validation of the sk_family field. A local user can perform a specially crafted system call, trigger stack overflow and crash the kernel.
18) Out-of-bounds read (CVE-ID: CVE-2020-10769)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the crypto_authenc_extractkeys() function in crypto/authenc.c in the IPsec Cryptographic algorithm's module "authenc". A local low-privileged user can run a specially crafted program to trigger an out-of-bounds read error and crash the system.
19) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0466)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to unspecified error, related to I/O subsystem in kernel. A local user can elevated privileges on the system.
20) Out-of-bounds write (CVE-ID: CVE-2020-0465)
The vulnerability allows an attacker with physical access to escalate privileges on the system.
The vulnerability exists due to an out of bounds write in various methods of hid-multitouch.c. An attacker with physical access can trigger out-of-bounds write and escalate privileges on the system.
21) Input validation error (CVE-ID: CVE-2019-20811)
The vulnerability allows a local authenticated user to manipulate data.
An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.
22) Information disclosure (CVE-ID: CVE-2019-18282)
The vulnerability allows a remote attacker to track devices via UDP packets.
The vulnerability exists due to excessive data output in the flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 and affects net/core/flow_dissector.c and
related code. The auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd
value as a secret, and because jhash (instead of siphash) is used. The
hashrnd value remains the same starting from boot time, and can be
inferred by an attacker. A remote attacker can use the
hashrnd value and track reliably track activity of devices using UDP packets.
23) Input validation error (CVE-ID: CVE-2022-1271)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation when processing filenames with two or more newlines. A remote attacker can force zgrep or xzgrep to write arbitrary files on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.
Remediation
Install update from vendor's website.