SB2024010988 - Multiple vulnerabilities in Red Hat Single Sign-On 7.6



SB2024010988 - Multiple vulnerabilities in Red Hat Single Sign-On 7.6

Published: January 9, 2024

Security Bulletin ID SB2024010988
Severity
Medium
Patch available
YES
Number of vulnerabilities 10
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 40% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 10 secuirty vulnerabilities.


1) Open redirect (CVE-ID: CVE-2023-6927)

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt".


2) Infinite loop (CVE-ID: CVE-2021-3468)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work() function. A local user can consume all available system resources and cause denial of service conditions.


3) Resource management error (CVE-ID: CVE-2023-3446)

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 DH_check(), DH_check_ex() and EVP_PKEY_param_check() function when processing a DH key or DH parameters. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


4) Resource management error (CVE-ID: CVE-2023-3817)

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 the long DH keys. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


5) Resource management error (CVE-ID: CVE-2023-5678)

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 DH_generate_key() and DH_check_pub_key() functions. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


6) Reachable Assertion (CVE-ID: CVE-2023-38469)

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

The vulnerability exists due to a reachable assertion within the avahi_dns_packet_append_record() function. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.


7) Reachable Assertion (CVE-ID: CVE-2023-38470)

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

The vulnerability exists due to a reachable assertion within the avahi_escape_label() function. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.


8) Reachable Assertion (CVE-ID: CVE-2023-38471)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the dbus_set_host_name() function. A local user can perform a denial of service (DoS) attack.


9) Reachable Assertion (CVE-ID: CVE-2023-38472)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_rdata_parse() function. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


10) Reachable Assertion (CVE-ID: CVE-2023-38473)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_alternative_host_name() function. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.