Security Bulletin: IBM Security Verify Information Queue uses a Node.js package with multiple vulnerabilities

Summary

The web server in IBM Security Verify Information Queue (ISIQ) uses an older version of the node-sass package that has multiple vulnerabilities. As of v10.0.0, ISIQ has upgraded to a newer, secure version of node-sass.

Vulnerability Details

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-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-2018-19827
**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-2018-20822
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.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/161650 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-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-2019-18799
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.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/171277 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-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-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-2019-18798
**DESCRIPTION:**LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.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/171288 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-2019-6286
**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-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)

Affected Products and Versions

Remediation/Fixes

Download and install the latest IBM Security Verify Information Queue images (tagged at 10.0.0 or greater) from the Docker Hub repository. The instructions for accessing and deploying the images can be found on the ISIQ starter kit page: <https://www.ibm.com/support/pages/ibm-security-information-queue-starter-kit&gt;

Workarounds and Mitigations

None