Vulnerability · Published Sep 14, 2023 · Assigned by redhat
CVE-2023-32665Gvariant deserialisation does not match spec for non-normal data
Medium 5.5
In plain English
A medium-severity uncontrolled resource consumption in Extra Packages for Enterprise Linux from Fedora. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.4%top 66.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | glib2 | 2.68.4-11.el9 | ALSA-2023:6631 |
| AlmaLinux:9 | glib2-devel | 2.68.4-11.el9 | ALSA-2023:6631 |
| AlmaLinux:9 | glib2-doc | 2.68.4-11.el9 | ALSA-2023:6631 |
| AlmaLinux:9 | glib2-static | 2.68.4-11.el9 | ALSA-2023:6631 |
| AlmaLinux:9 | glib2-tests | 2.68.4-11.el9 | ALSA-2023:6631 |
| AlmaLinux:9 | mingw32-glib2 | 2.78.0-1.el9 | ALSA-2024:2528 |
| AlmaLinux:9 | mingw32-glib2-static | 2.78.0-1.el9 | ALSA-2024:2528 |
| AlmaLinux:9 | mingw64-glib2 | 2.78.0-1.el9 | ALSA-2024:2528 |
| AlmaLinux:9 | mingw64-glib2-static | 2.78.0-1.el9 | ALSA-2024:2528 |
| Debian:12 | glib2.0 | 2.74.4-1 | DEBIAN-CVE-2023-32665 |
| Debian:13 | glib2.0 | 2.74.4-1 | DEBIAN-CVE-2023-32665 |
| Debian:14 | glib2.0 | 2.74.4-1 | DEBIAN-CVE-2023-32665 |
| Ubuntu:22.04:LTS | glib2.0 | 2.72.4-0ubuntu2.2 | USN-6165-1 |
| Ubuntu:22.04:LTS | glib2.0 | 2.72.4-0ubuntu2.2 | UBUNTU-CVE-2023-32665 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | glib2 | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Fedora | Fedora 38 | see references |
| Fedora | Extra Packages for Enterprise Linux | see references |
| Fedora | Fedora | see references |
| Fedora | Fedora 37 | see references |
| Fedora | Fedora 38 | see references |
| Fedora | Fedora 37 | see references |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://access.redhat.com/security/cve/CVE-2023-32665 vdb-entry, x_refsource_REDHAT
- RHBZ#2211827 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/glib/-/issues/2121
- https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
- https://security.gentoo.org/glsa/202311-18
- https://security.netapp.com/advisory/ntap-20240426-0006/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html