CVE-2023-32643

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Summary

CVECVE-2023-32643
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-09-14 20:15:09 UTC
Updated2026-10-15 00:16:32 UTC
DescriptionA flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-122 | CWE-787 | CWE-122 CWE-122

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnome Glib All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Glib Glib unaffected 2.75.1 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
(CVE-2023-32643) fuzz_variant_binary_byteswap: Heap-buffer-overflow in g_variant_serialised_get_child (#2840) · Issues · GNOME / GLib · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Issue Tracking, Vendor Advisory
Multiple fixes for GVariant normalisation issues in GLib - Platform - GNOME Discourse af854a3a-2127-422b-91ae-364da2661108 https Broken Link
security.netapp.com/advisory/ntap-20240426-0005 af854a3a-2127-422b-91ae-364da2661108 security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 199417 Ubuntu Security Notification for GLib Vulnerabilities (USN-6165-1)
  • 199839 Ubuntu Security Notification for GLib Vulnerabilities (USN-6165-2)
  • 284032 Fedora Security Update for mingw (FEDORA-2023-1a7e2b3dda)
  • 284071 Fedora Security Update for mingw (FEDORA-2023-9e5a29a25d)
  • 673279 EulerOS Security Update for glib2 (EulerOS-SA-2023-2612)
  • 673293 EulerOS Security Update for glib2 (EulerOS-SA-2023-2582)

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