SB2025041754 - Multiple vulnerabilities in Multicluster Engine for Kubernetes 2.7
Published: April 17, 2025 Updated: November 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 31 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2025-22868)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the jws package does not properly control consumption of internal resources when handling malformed tokens. A remote attacker can pass a malformed JWT token to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.
2) Out-of-bounds write (CVE-ID: CVE-2019-12900)
3) Cross-site scripting (CVE-ID: CVE-2020-11023)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when passing <option> elements to jQuery’s DOM manipulation methods. A remote attacker can execute arbitrary JavaScript code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
4) Integer overflow (CVE-ID: CVE-2021-43618)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in mpz/inp_raw.c. A remote attacker can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.
5) Integer overflow (CVE-ID: CVE-2022-48468)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within parse_required_member() function. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Out-of-bounds read (CVE-ID: CVE-2022-48554)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the file_copystr() function in funcs.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and crash the application.
7) OS Command Injection (CVE-ID: CVE-2023-6004)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in OpenSSH client. If an invalid user or hostname that contained shell metacharacters was passed to ssh(1), and a ProxyCommand, LocalCommand directive or "match exec" predicate referenced the user or hostname via %u, %h or similar expansion token, then an attacker who could supply arbitrary user/hostnames to ssh(1) could potentially perform command injection depending on what quoting was present in the user-supplied ssh_config(5) directive.
8) Unchecked Return Value (CVE-ID: CVE-2023-6918)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to libssh does not check for returned values of message digest (MD) operations in low memory conditions. A remote attacker can terminate the connection or force the library to use weak keys.
9) Out-of-bounds read (CVE-ID: CVE-2023-7104)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the sessionReadRecord() function in ext/session/sqlite3session.c when processing a corrupt changeset. A remote user can send a specially crafted request to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.
10) Buffer overflow (CVE-ID: CVE-2023-29491)
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing malformed data in a terminfo database file. A local user can trigger memory corruption and execute arbitrary code on the target system.
11) Memory leak (CVE-ID: CVE-2023-33460)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the yajl_tree_parse() function. A remote attacker can perform a denial of service attack.
12) Insufficient verification of data authenticity (CVE-ID: CVE-2023-37920)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exist due to software recognizes "e-Tugra" root certificates, which were subject to an investigation prompted by reporting of security issues in their systems. An attacker with ability to generate certificates signed with the compromised "e-Tugra" root certificate can perform MitM attack.
13) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2024-2236)
The vulnerability allows a remote attacker to perform timing attack.
The vulnerability exists due to an error in libgcrypt's RSA implementation. A remote attacker can initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
14) Resource exhaustion (CVE-ID: CVE-2024-2511)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to unbounded memory growth when processing TLSv1.3 sessions. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that the non-default SSL_OP_NO_TICKET option is being used in TLSv1.3.
15) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2024-3596)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to use of a broken or risky cryptographic algorithm in RADIUS Protocol. A remote user can perform a man-in-the-middle (MitM) attack and gain access to target system.
16) Resource management error (CVE-ID: CVE-2024-4603)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when checking DSA keys and parameters. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
17) Use-after-free (CVE-ID: CVE-2024-4741)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the SSL_free_buffers() function. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.
Note, the vulnerability affects only applications that call the vulnerable function.
18) Out-of-bounds read (CVE-ID: CVE-2024-5535)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the SSL_select_next_proto() function when using NPN. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds read and perform a denial of service (DoS) attack.
19) Stack-based buffer overflow (CVE-ID: CVE-2024-8176)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling XML content. A remote attacker can pass specially crafted XML content to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
20) OS Command Injection (CVE-ID: CVE-2024-9287)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the venv module when creating a virtual environment. A local user can pass specially crafted strings to the application and execute arbitrary OS commands on the target system.
21) Improper authentication (CVE-ID: CVE-2024-10963)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in pam_access module where certain rules in its configuration file are mistakenly treated as hostnames. A remote attacker can bypass authentication process and gain unauthorized access to the system.
22) Input validation error (CVE-ID: CVE-2024-11168)
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to insufficient validation of bracketed hosts (e.g. []) within the urllib.parse.urlsplit() and urlparse() functions allowing hosts that weren't IPv6 or IPvFuture. A remote attacker can pass specially crafted IP address to the application to bypass implemented IP-based security checks or perform SSRF attacks.
23) Resource exhaustion (CVE-ID: CVE-2024-11187)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling DNS zones with numerous records in the Additional section. A remote attacker can trigger resource exhaustion by sending multiple queries to he affected server and perform a denial of service (DoS) attack.
24) Use of Uninitialized Variable (CVE-ID: CVE-2024-12085)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to information leak when comparing file checksums. A remote attacker can pass specially crafted data to the daemon and read 1 byte of uninitialized memory from stack.
25) Improper authentication (CVE-ID: CVE-2024-12797)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to an error when using RFC7250 Raw Public Keys (RPKs) to authenticate a server. TLS and DTLS connections using raw public keys are vulnerable to man-in-middle attacks when server authentication failure is not detected by clients.
Note, the vulnerability can be exploited only when TLS clients explicitly enable RPK use by the server, and the server, likewise, enables sending of an RPK instead of an X.509 certificate chain.
26) Cryptographic issues (CVE-ID: CVE-2024-28834)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to a side-channel attack when using the gnutls_privkey_sign_data2 API function with the "GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE" flag. A remote attacker can launch Minerva attack and gain access to sensitive information.
27) Input validation error (CVE-ID: CVE-2024-28835)
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 parsing the cert_list_size parameter in the gnutls_x509_trust_list_verify_crt2() function in certtool. A remote attacker can pass specially crafted PEM encoded certificate chain that contains more than 16 certificates to the certtool and crash it.
28) Insufficient verification of data authenticity (CVE-ID: CVE-2024-34397)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to missing authorization for D-Bus signals. When a GDBus-based client subscribes to signals from a trusted system service such as NetworkManager on a shared computer, other users of the same computer can send spoofed D-Bus signals that the GDBus-based client will wrongly interpret as having been sent by the trusted system service.
29) Use-after-free (CVE-ID: CVE-2024-56171)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the xmlSchemaIDCFillNodeTables() and xmlSchemaBubbleIDCNodeTables() functions in xmlschemas.c. A remote attacker can pass specially crafted XML document to the application, 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.
30) Stack-based buffer overflow (CVE-ID: CVE-2025-24928)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the xmlSnprintfElements() function in valid.c. A remote attacker can pass specially crafted XML data to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
31) Resource exhaustion (CVE-ID: CVE-2025-27144)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing JWS and JWE input. A remote attacker can pass specially crafted data to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.