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Security Bulletin: Security Vulnerabilities affect IBM Cloud Private - cURL (CVE-2019-5482, CVE-2019-5481)

Security Bulletin


Summary

Security Vulnerabilities affect IBM Cloud Private - cURL

Vulnerability Details

CVEID:   CVE-2019-5482
DESCRIPTION:   cURL libcurl is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the tftp_receive_packet function. By sending specially-crafted request containing an OACK without the BLKSIZE option, 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/166942 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)

CVEID:   CVE-2019-5481
DESCRIPTION:   cURL libcurl is vulnerable to a denial of service, caused by a double free flaw during kerberos FTP data transfer. By sending a specially-crafted size of data, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166941 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

Affected Product(s)Version(s)
IBM Cloud Private3.2.1 CD
IBM Cloud Private3.2.2 CD

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages
  • IBM Cloud Private 3.2.1
  • IBM Cloud Private 3.2.2
 
For IBM Cloud Private 3.2.1, apply June fix pack:

 

For IBM Cloud Private 3.2.2, apply June fix pack:

 

For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0:
  • Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2. 
  • If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

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

18 Aug 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:
18 August 2020

UID

ibm16261513

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