Denial of service in 389-ds-base

1) Heap-based buffer overflow

EUVDB-ID: #VU87107

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-1062

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when writing a value larger than 256 chars in log_entry_attr. A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

389-ds-base: before 2.2.0

CPE2.3

• cpe:2.3:a:389_directory_server_project:389-ds-base:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/security/cve/CVE-2024-1062
https://bugzilla.redhat.com/show_bug.cgi?id=2256711
https://bugzilla.redhat.com/show_bug.cgi?id=2261879

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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