Vulnerability CVE-2023-28484

Vulnerability Name:

CVE-2023-28484 (CCN-253138)

Assigned:

2023-04-11

Published:

2023-04-11

Updated:

2023-06-01

Summary:

GNOME libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference flaw in the xmlSchemaFixupComplexType function. By persuading a victim to open a specially crafted XML content, a remote attacker could exploit this vulnerability to cause a denial of service condition.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2023-28484

Source: CCN
Type: Red Hat Bugzilla Bug 2185994
CVE-2023-28484 libxml2: NULL dereference in xmlSchemaFixupComplexType

Source: XF
Type: UNKNOWN
gnome-cve202328484-dos(253138)

Source: CCN
Type: libxml2 GIT Repository
[CVE-2023-28484] Fix null deref in xmlSchemaFixupComplexType

Source: cve@mitre.org
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Release Notes
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: UNKNOWN
cve@mitre.org

Source: CCN
Type: IBM Security Bulletin 7002439 (CICS TX Advanced)
CVE-2023-28484 may affect IBM CICS TX Advanced 10.1

Source: CCN
Type: IBM Security Bulletin 7014485 (AIX)
AIX is vulnerable to a denial of service due to libxml2 (CVE-2023-29469 and CVE-2023-28484)

Source: CCN
Type: Mend Vulnerability Database
CVE-2023-28484

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:ibm:aix:7.2:*:*:*:*:*:*:*

OR cpe:/a:ibm:vios:3.1:*:*:*:*:*:*:*

OR cpe:/o:ibm:aix:7.3:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7702	P	libxml2-2-2.10.3-150500.3.1 on GA media (Moderate)	2023-06-12

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