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vmwareVMwareVMSA-2023-0023.1
HistoryOct 25, 2023 - 12:00 a.m.

VMware vCenter Server updates address out-of-bounds write and information disclosure vulnerabilities (CVE-2023-34048, CVE-2023-34056)

2023-10-2500:00:00
www.vmware.com
1
vmware
vcenter server
updates
out-of-bounds write
information disclosure
vulnerabilities
cve-2023-34048
cve-2023-34056
dcerpc protocol
severity
cvssv3
software

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.031 Low

EPSS

Percentile

90.9%

3a. VMware vCenter Server Out-of-Bounds Write Vulnerability (CVE-2023-34048)

vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

3b. VMware vCenter Server Partial Information Disclosure Vulnerability (CVE-2023-34056)

vCenter Server contains a partial information disclosure vulnerability. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 4.3.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.031 Low

EPSS

Percentile

90.9%