Security Bulletin: Vulnerability in Perl affects IBM watsonx.data

Summary

Perl is vulnerable to buffer overflow issues. CVE-2020-10543: This vulnerability is identified in 32 bit, but watsonx.data is deployd in 64 bit platform. Hence watsonx.data is not affected. CVE-2020-10878, CVE-2020-12723: If user supplied string and it is used in a regex in our code, this will cause instruction injection if IBM watsonx.data is not upgraded.

Vulnerability Details

CVEID:CVE-2020-10543
**DESCRIPTION:**Perl is vulnerable to a heap-based buffer overflow, caused by an integer overflow in the nested regular expression quantifiers. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183203 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H)

CVEID:CVE-2020-10878
**DESCRIPTION:**Perl could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow related to the mishandling of a PL_regkind[OP(n)] == NOTHING situation. By using a specially-crafted regular expression, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183204 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)

CVEID:CVE-2020-12723
**DESCRIPTION:**Perl is vulnerable to a denial of service, caused by a buffer overflow in regcomp.c. By using a specially crafted regular expression, a remote attacker could overflow a buffer and cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183205 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)

Affected Products and Versions

Remediation/Fixes

The product needs to be installed or upgraded to the latest available level watsonx.data 2.0.2 or watsonx.data on CPD 5.0.2. Installation/upgrade instructions can be found here: <https://www.ibm.com/docs/en/watsonx/watsonxdata/2.0.x?topic=deployment-installing&gt;

Workarounds and Mitigations

None