Multiple vulnerabilities in Red Hat Single Sign-On 7.6

1) Improper Restriction of Excessive Authentication Attempts

EUVDB-ID: #VU97468

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-4629

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists due to an error when handling unsuccessful login attempts. A remote attacker can initiate multiple login requests simultaneously and bypass the configured limits for failed attempts before the system locks them out.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Single Sign-On: before 7.6.10

CPE2.3

• cpe:2.3:a:red_hat:red_hat_single_sign-on:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:6499

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Session Fixation

EUVDB-ID: #VU97432

Risk: Medium

CVSSv4.0: 4.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-7341

CWE-ID: CWE-384 - Session Fixation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the session fixation issue in the SAML adapters. A remote user who hijacks the current session before authentication can trigger session fixation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Single Sign-On: before 7.6.10

CPE2.3

• cpe:2.3:a:red_hat:red_hat_single_sign-on:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:6499

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU93095

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-5967

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to the LDAP testing endpoint allows to change the Connection URL independently of and without having to re-enter the currently configured LDAP bind credentials. A remote privileged user can modify the LDAP host URL ("Connection URL") to the attacker-controlled system and force the application to send credentials to a malicious server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Single Sign-On: before 7.6.10

CPE2.3

• cpe:2.3:a:red_hat:red_hat_single_sign-on:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:6499

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.