Vulnerability identifier: #VU75361

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-2023-24593

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnome GLib
Universal components / Libraries / Libraries used by multiple products

Vendor: Gnome Development Team

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when handling a text-form variant. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gnome GLib: 2.0 - 2.75.0

---

External links
http://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
http://gitlab.gnome.org/GNOME/glib/-/merge_requests/3125
http://bugzilla.redhat.com/show_bug.cgi?id=2181183

---

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.