#VU87107 Heap-based buffer overflow in 389-ds-base - CVE-2024-1062

Vulnerability identifier: #VU87107

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
389-ds-base
Server applications / Directory software, identity management

Vendor: 389 Directory Server Project

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, 2.2.0

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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

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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.

Is there known malware, which exploits this vulnerability?

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