Security Bulletin: Multiple Vulnerabilities in Node.js affect IBM Cloud Pak System.

Summary

Multiple Vulnerabilities have been found in Node.js used by the Common UI in Cloud Pak System. Cloud Pak System has addressed these vulnerabilities.

Vulnerability Details

CVEID:CVE-2021-23343
**DESCRIPTION:**path-parse is vulnerable to a denial of service. By sending a specially-crafted request via splitDeviceRe, splitTailRe, and splitPathRe regular expressions, a remote attacker could exploit this vulnerability to cause a regular expression denial of service (ReDoS).
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/201206 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-23386
**DESCRIPTION:**Node.js dns-packet module could allow a remote authenticated attacker to obtain sensitive information, caused by an issue when creating buffers with allocUnsafe and does not always fill them before forming network packets. By querying specially-crafted domain names, an attacker could exploit this vulnerability to obtain internal application memory information, and use this information to launch further attacks against the affected system.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202417 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L)

CVEID:CVE-2020-7789
**DESCRIPTION:**node-notifier could allow a remote attacker to execute arbitrary commands on the system, caused by improper sanitization of options params. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 5.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193001 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2020-7693
**DESCRIPTION:**SockJS sockjs-node is vulnerable to a denial of service, caused by improper handling of Upgrade header with the value websocket. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to crash the containers hosting SockJS apps.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184859 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-32640
**DESCRIPTION:**WebSockets ws library for Node.js is vulnerable to a denial of service, caused by a regular expression denial of service (ReDOS) flaw in the in Sec-Websocket-Protocol header. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a slow down on the ws server, and results in a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202549 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2022-0691
**DESCRIPTION:**unshift.io url-parse module for NPM could allow a remote attacker to bypass security restrictions, caused by improper validation of \b (backspace) character. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass hostname validation and leads to false positive in the extractProtocol() function.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220107 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-24025
**DESCRIPTION:**node-sass could allow a remote attacker to bypass security restrictions, caused by the disablement of certificate validation when requesting binaries even if the user is not specifying an alternative download path. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195029 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2019-6283
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in Sass::Prelexer::parenthese_scope in prelexer.hpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/155594 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-19838
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a stack-based buffer overflow in the IMPLEMENT_AST_OPERATORS expansion in ast.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153722 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-11499
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a use-after-free in handle_error() in sass_context.cpp. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/143880 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-11696
**DESCRIPTION:**LibSaas is vulnerable to a denial of service, caused by a NULL pointer dereference in the function Sass::Inspect::operator. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/144308 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-11697
**DESCRIPTION:**LibSaas could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read of a memory region in the function Sass::Prelexer::exactly(). By using a specially-crafted file, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base score: 4.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/144302 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L)

CVEID:CVE-2019-6286
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/155592 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-18797
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by uncontrolled recursion in Sass::Eval::operator() in eval.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/171289 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-11698
**DESCRIPTION:**LibSaas could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read of a memory region in the function Sass::handle_error. By using a specially-crafted file, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base score: 4.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/144297 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L)

CVEID:CVE-2018-19839
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in the handle_error function in sass_context.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153723 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-19837
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a stack-based buffer overflow in the Sass::Eval::operator function in eval.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153721 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-19797
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a NULL pointer dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153652 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-20821
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/161651 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-6284
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in Sass::Prelexer::alternatives in prelexer.hpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/155593 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-20190
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a NULL pointer dereference in the function Sass::Eval::operator() in eval.cpp. By using a specially crafted sass input file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/154428 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-19827
**DESCRIPTION:**Libsass is vulnerable to a denial of service, caused by a use after free in the SharedPtr class in SharedPtr.cpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153718 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-11694
**DESCRIPTION:**LibSaas is vulnerable to a denial of service, caused by a NULL pointer dereference in the function Sass::Functions::selector_append. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/144317 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-23364
**DESCRIPTION:**Browserslist is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) during parsing of queries. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200951 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

For IBM Cloud Pak System v2.3.3.0, v2.3.3.1, v2.3.3.2, v2.3.3.3, v2.3.3.3 Interim Fix1, v2.3.3.4,

Upgrade to Cloud Pak System v2.3.3.5 available at FixCentral.

Information on upgrading at : <http://www.ibm.com/support/docview.wss?uid=ibm10887959&gt;

Workarounds and Mitigations

None