Gvariant deserialisation does not match spec for non-normal data
CVE-2023-32665

5.5MEDIUM

Key Information:

Vendor: Red Hat
Status: Glib2; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8
Vendor: CVE Published:; 14 September 2023

Summary

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.

References

https://access.redhat.com/security/cve/CVE-2023-32665

vdb-entryx_refsource_REDHAT

https://bugzilla.redhat.com/show_bug.cgi?id=2211827

issue-trackingx_refsource_REDHAT

https://gitlab.gnome.org/GNOME/glib/-/issues/2121

CVSS V3.1

Score:

5.5

Severity:

MEDIUM

Confidentiality:

None

Integrity:

None

Availability:

None

Attack Vector:

Local

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

Required

Scope:

Unchanged

Timeline

Vulnerability published
Sep 14, 2023
Vulnerability Reserved
May 30, 2023

Credit

Upstream acknowledges William Manley as the original reporter.