Security Bulletin
Summary
Node.js (Update 2-June-2020) Security releases available
Vulnerability Details
CVEID: CVE-2020-11080
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an error in the HTTP/2 session frame which is limited to 32 settings by default. By sending overly large HTTP/2 SETTINGS frames, an attacker could exploit this vulnerability to consume all available CPU resources.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182815 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-10531
DESCRIPTION: International Components for Unicode (ICU) for C/C++ is vulnerable to a heap-based buffer overflow, caused by an integer overflow in UnicodeString::doAppend() function in common/unistr.cpp. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177660 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2020-8172
DESCRIPTION: Node.js could allow a remote attacker to bypass security restrictions. The 'session' event could be emitted before the 'secureConnect' event and possibly allow for the reuse of the TLS session. An attacker could exploit this vulnerability to bypass host certificate verification and gain access to the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182814 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVEID: CVE-2020-8174
DESCRIPTION: Node.js is vulnerable to a buffer overflow, caused by multiple memory corruptions in the napi_get_value_string_latin1(), napi_get_value_string_utf8(), or napi_get_value_string_utf16() functions. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182816 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
All supported versions (10.x, and 12.x) of Node.js are vulnerable.
Through the command-line Cloud Foundry client run the following command:
cf ssh <appname> -c “cat app/logs/staging_task.log” | grep “Installing node”
-----> Installing node 10.21.0
Alternatively, through the command-line Cloud Foundry client run the following command:
$ cf ssh <appname> -c “cat app/logs/staging_task.log” | grep “IBM SDK for Node.js”
-----> IBM SDK for Node.js Buildpack v4.3-20200606-1928
If the Buildpack version is not at least v4.3 your application may be vulnerable.
Remediation/Fixes
The fixes for these vulnerabilities are included in Node.js v10.21.0 and subsequent releases.
The fixes for these vulnerabilities are included in Node.js v12.18.0 and subsequent releases.
To upgrade to the latest version of the Node.js runtime, please specify the latest Node.js runtime in your package.json file for your application:
"engines": {
"node": "10.*"
},
or
"engines": {
"node": "12.*"
},
You will then need to restage (or re-push) your application using the IBM SDK for Node.js Buildpack v4.3.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
15 Jun 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
15 June 2020
UID
ibm16232880