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Security Bulletin: Resilient is vulnerable to using Python component with known vulnerabilities in RHEL 7

Security Bulletin


Summary

Resilient is vulnerable to using Python component with known vulnerabilities in RHEL 7. CVE-2019-9948 and CVE-2019-9947 are fixed in RHEL7 as part of Errata RHSA-2019:2030 (https://access.redhat.com/errata/RHSA-2019:2030). This update is included in Resilient 34.1.53, released on September 17, 2019, and subsequent versions.

Vulnerability Details

CVEID:   CVE-2019-9948
DESCRIPTION:   Python could allow a remote attacker to bypass security restrictions, caused by improper input validation by the urllib. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass the blocklist file: URIs protection mechanisms.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/158831 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-2019-9947
DESCRIPTION:   Python is vulnerable to HTTP header injection, caused by improper validation of input in urllib and urllib2. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/158830 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Resilientv33.x
IBM Resilientv34.0

Remediation/Fixes

CVE-2019-9948 and CVE-2019-9947 are fixed in RHEL7 as part of Errata RHSA-2019:2030 (https://access.redhat.com/errata/RHSA-2019:2030). This update is included in Resilient 34.1.53, released on September 17, 2019, and subsequent versions.

It can be installed by following the instructions in https://www.ibm.com/support/knowledgecenter/SSBRUQ_34.0.0/com.ibm.resilient.doc/install/resilient_install_updates_sw.htm.

The relevant package is python-2.7.5-86.el7.x86_64.rpm

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

07 Apr 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:
08 April 2020

UID

ibm16173469

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