Vulnerability Name:

CVE-2021-27918 (CCN-198075)

Assigned:2021-03-10
Published:2021-03-10
Updated:2022-12-13
Summary:encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOF in the middle of an element. This can occur in the Decode, DecodeElement, or Skip method.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
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
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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 Type:CWE-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-27918

Source: XF
Type: UNKNOWN
golang-cve202127918-dos(198075)

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

Source: CCN
Type: Golang Web site
Go 1.16.1 and Go 1.15.9 are released

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: IBM Security Bulletin 6466637 (Cloud Pak for Integration)
Operations Dashboard is vulnerable to Go vulnerabilities (CVE-2021-27918 and CVE-2021-27919)

Source: CCN
Type: IBM Security Bulletin 6486345 (Cloud Private)
IBM Cloud Private is vulnerable to a Go vulnerability (CVE-2021-27919, CVE-2021-27918)

Source: CCN
Type: IBM Security Bulletin 6599203 (Netezza As A Service)
IBM Netezza as a Service is vulnerable to denial of service due to Golang net package (CVE-2021-33194, CVE-2021-44716, CVE-2021-31525)

Source: CCN
Type: IBM Security Bulletin 6599703 (Db2 On Openshift)
Multiple vulnerabilities affect IBM Db2 On Openshift and IBM Db2 and Db2 Warehouse on Cloud Pak for Data

Source: CCN
Type: IBM Security Bulletin 6610915 (Netezza for Cloud Pak for Data)
IBM Netezza for Cloud Pak for Data is vulnerable to denial of service due to Golang net package (CVE-2021-27918, CVE-2021-44716, CVE-2021-31525)

Source: CCN
Type: IBM Security Bulletin 6615221 (Robotic Process Automation for Cloud Pak)
Multiple Security Vulnerabilities may affect IBM Robotic Process Automation for Cloud Pak

Source: CCN
Type: IBM Security Bulletin 6831813 (Netcool Operations Insight)
Netcool Operations Insight v1.6.6 contains fixes for multiple security vulnerabilities.

Source: CCN
Type: IBM Security Bulletin 6833282 (CICS TX Standard)
IBM CICS TX Standard is vulnerable to a denial of service, caused by an infinite loop flaw in Golang Go (CVE-2021-27918).

Source: CCN
Type: IBM Security Bulletin 6833284 (CICS TX Advanced)
IBM CICS TX Advanced is vulnerable to a denial of service, caused by an infinite loop flaw in Golang Go (CVE-2021-27918).

Source: CCN
Type: IBM Security Bulletin 6991617 (Edge Application Manager)
Open Source Dependency Vulnerability

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:golang:go:1.15.8:*:*:*:*:*:*:*
  • OR cpe:/a:golang:go:1.16.0:-:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:cloud_private:3.2.1:cd:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_private:3.2.2:cd:*:*:*:*:*:*
  • OR cpe:/a:ibm:db2_warehouse:3.5:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:db2_warehouse:4.0:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:db2:3.5:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:db2:4.0:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:cics_tx:11.1:*:*:*:standard:*:*:*
  • OR cpe:/a:ibm:cics_tx:11.1:*:*:*:advanced:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:robotic_process_automation_for_cloud_pak:21.0.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:94953
    P
    		libmad-devel-0.15.1b-3.16 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94952
    P
    		liblouis-data-3.16.1-150400.1.9 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:101666
    P
    		Security update for openssl-1_1 (Important)
    2022-03-16
    oval:org.opensuse.security:def:101665
    P
    		Security update for chrony (Moderate)
    2022-03-15
    oval:org.opensuse.security:def:99224
    P
    		 (Important)
    2022-03-10
    oval:org.opensuse.security:def:112337
    P
    		go1.16-1.16.8-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:112334
    P
    		go1.15-1.15.15-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:4543
    P
    		Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Important)
    2021-12-14
    oval:org.opensuse.security:def:4544
    P
    		Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP5) (Important)
    2021-12-14
    oval:org.opensuse.security:def:105856
    P
    		Security update for binutils (Moderate)
    2021-11-09
    oval:org.opensuse.security:def:105855
    P
    		Security update for binutils (Moderate)
    2021-11-04
    oval:org.opensuse.security:def:99422
    P
    		 (Moderate)
    2021-10-20
    oval:com.redhat.rhsa:def:20213076
    P
    		RHSA-2021:3076: go-toolset:rhel8 security, bug fix, and enhancement update (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63010
    P
    		go1.16-1.16.3-1.11.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:72729
    P
    		go1.16-1.16.3-1.11.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:101268
    P
    		go1.16-1.16.3-1.11.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:1921
    P
    		go1.16-1.16.3-1.11.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:111292
    P
    		Security update for go1.15 (Moderate)
    2021-03-27
    oval:org.opensuse.security:def:9113
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:117845
    P
    		Security update for go1.16 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:97336
    P
    		Security update for go1.16 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:93029
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:70011
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:92472
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:65632
    P
    		Security update for go1.16 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:9672
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:117846
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:108331
    P
    		Security update for go1.16 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:99621
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:97337
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:93182
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:70562
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:74700
    P
    		Security update for go1.16 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:99029
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:92671
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:65633
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:9871
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:108332
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:99820
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:93335
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:92079
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:74701
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:8918
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:92870
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:69812
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:10422
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:100132
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    oval:org.opensuse.security:def:92274
    P
    		Security update for go1.15 (Moderate)
    2021-03-24
    BACK
    golang go 1.15.8
    golang go 1.16.0 -
    ibm cloud private 3.2.1 cd
    ibm cloud private 3.2.2 cd
    ibm db2 warehouse 3.5 -
    ibm db2 warehouse 4.0 -
    ibm db2 3.5 -
    ibm db2 4.0 -
    ibm cics tx 11.1
    ibm cics tx 11.1
    ibm robotic process automation for cloud pak 21.0.1
    ibm robotic process automation for cloud pak 21.0.2
    ibm robotic process automation for cloud pak 21.0.3