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Security Bulletin: Vulnerability in libcurl affects the OS image for RedHat Enterprise Linux for IBM Cloud Pak System (CVE-2019-5436)

Security Bulletin


Summary

Vulnerability has been identified in libcurl that is used in OS image for RedHat Enterprise Linux for IBM Cloud Pak System. This security bulletin applies to the OS image for RedHat Enterprise Linux v7.7. OS image for RedHat Enterprise Linux has addressed the vulnerability.

Vulnerability Details

CVEID:   CVE-2019-5436
DESCRIPTION:   cURL libcurl is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the tftp_receive_packet() function. By sending overly long data, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/161431 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Pak System v.2.3.0.1, v.2.3.1.1
OS Image for RedHat Enterprisev3.0.14,  v3.0.15

Remediation/Fixes

for Cloud Pak System v.2.3.0.1, v.2.3.1.1, v2.3.2.0
 apply iFix as available at IBM Fix Central here,  this service applies to OS Image for Red Hat Linux v7.7
 
OR

Upgrade to IBM Cloud Pak System v2.3.3.0 ,  

Information on release available here : http://www.ibm.com/support/docview.wss?uid=ibm10887959.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Change History

11 Sept 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:
11 September 2020

UID

ibm16329015

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