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HistoryApr 27, 2022 - 11:05 p.m.

Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in XStream

2022-04-2723:05:41
www.ibm.com
11

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.97 High

EPSS

Percentile

99.7%

Summary

Multiple vulnerabilities in XStream that is used by IBM InfoSphere Information Server were addressed.

Vulnerability Details

CVEID:CVE-2021-39145
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208113 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39147
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208115 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39141
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208111 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39148
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208116 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39150
**DESCRIPTION:**XStream is vulnerable to server-side request forgery, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to conduct SSRF attack to request data from internal resources.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208118 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39153
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208121 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39151
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208119 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39140
**DESCRIPTION:**XStream is vulnerable to a denial of service, caused by an infinite loop flaw. By manipulating the processed input stream, a remote authenticated attacker could exploit this vulnerability to allocate 100% CPU time on the target system, and results in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208110 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2021-39139
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208108 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39144
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208112 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39152
**DESCRIPTION:**XStream is vulnerable to server-side request forgery, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to conduct SSRF attack to request data from internal resources.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208120 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-43859
**DESCRIPTION:**XStream is vulnerable to a denial of service, caused by improper input validation. By injecting highly recursive collections or maps, a remote attacker could exploit this vulnerability to allocate 100% CPU time on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219177 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)

CVEID:CVE-2021-39149
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208117 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39146
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208114 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

CVEID:CVE-2021-39154
**DESCRIPTION:**XStream could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By manipulating the processed input stream, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208122 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
InfoSphere Information Server, InfoSphere Information Server on Cloud 11.7

Remediation/Fixes

Product VRMF APAR Remediation
InfoSphere Information Server, InfoSphere Information Server on Cloud 11.7 JR64083 --Apply IBM InfoSphere Information Server version 11.7.1.0
--Apply IBM InfoSphere Information Server version 11.7.1.3
--Apply Information Server 11.7.1.3 Service pack 4

Workarounds and Mitigations

None

CPENameOperatorVersion
infosphere information servereq11.7

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.97 High

EPSS

Percentile

99.7%