#VU85618 Deserialization of Untrusted Data in Logback


Published: 2024-01-19

Vulnerability identifier: #VU85618

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6378

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Logback
Server applications / Other server solutions

Vendor: QOS.ch

Description

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

The vulnerability exists due to insecure input validation when processing serialized data in logback receiver component. A remote attacker can pass specially crafted data to the application and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Logback: 1.3.0 - 1.4.13


External links
http://logback.qos.ch/news.html#1.3.12


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability