Vulnerability Details : CVE-2023-32643
A 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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2023-32643
- cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-32643
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32643
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
1.8
|
3.4
|
Red Hat, Inc. |
CWE ids for CVE-2023-32643
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: secalert@redhat.com (Secondary)
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-32643
-
https://security.netapp.com/advisory/ntap-20240426-0005/
CVE-2023-32643 Gnome Glib Vulnerability in NetApp Products | NetApp Product Security
-
https://gitlab.gnome.org/GNOME/glib/-/issues/2840
(CVE-2023-32643) fuzz_variant_binary_byteswap: Heap-buffer-overflow in g_variant_serialised_get_child (#2840) · Issues · GNOME / GLib · GitLabIssue Tracking;Vendor Advisory
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https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
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