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ibmIBM139A767E78EF5784BB06A1698C1C80B09CA0AF17317EB56599D48F57E4526AC7
HistoryDec 07, 2023 - 11:00 p.m.

Security Bulletin: IBM RackSwitch firmware products are affected by vulnerabilities in Libxml2

2023-12-0723:00:02
www.ibm.com
19

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

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

0.012 Low

EPSS

Percentile

85.2%

Summary

The following vulnerabilites in Libxml2 have been addressed by IBM RackSwitch firmware products.

Vulnerability Details

CVEID:CVE-2021-3517
**DESCRIPTION:**GNOME libxml2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by xmlEncodeEntitiesInternal() in entities.c. By sending a specially crafted file, a remote attacker could trigger an out-of-bounds read and execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 8.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202526 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)

CVEID:CVE-2021-3537
**DESCRIPTION:**GNOME libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference flaw when parsing XML mixed content in recovery mode and post-validated. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203084 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product Version
G7028 7.6
G8316 7.9
G8052 7.11
G8264 7.11
G8332 7.7
G8264T 7.9
G8124/G8124E 7.11
G8264CS_SI_Fabric_Image 7.8
G8264CS 7.8

Remediation/Fixes

Firmware fix versions are available on Fix Central: <http://www.ibm.com/support/fixcentral/&gt;

Product Fix Version

IBM RackSwitch G7028

(G7028_Image_7.6.11.0)

| 7.6.11.0

IBM RackSwitch G8316

(G8316_Image_7.9.33.0)

| 7.9.33.0

IBM RackSwitch G8052

(G8052_Image_7.11.23.0)

| 7.11.23.0

IBM RackSwitch G8264

(G8264_Image_7.11.23.0)

| 7.11.23.0

IBM RackSwitch G8332

(G8332_Image_7.7.39.0)

| 7.7.39.0

IBM RackSwitch G8264T

(G8264T_Image_7.9.33.0)

| 7.9.33.0

IBM RackSwitch G8124/G8124E

(G8124_G8124E_Image_7.11.23.0)

| 7.11.23.0

G8264CS_SI_Fabric_Image - Bundle

(G8264CS_SI_Fabric_Image_7.8.31.0)

| 7.8.31.0

IBM RackSwitch G8264CS

(G8264CS_Image_7.8.31.0)

| 7.8.31.0

Workarounds and Mitigations

None

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

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

0.012 Low

EPSS

Percentile

85.2%