Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in cURL (CVE-2018-16840 CVE-2018-16842)

Security Bulletin

Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in cURL.

Vulnerability Details

CVEID: CVE-2018-16840
DESCRIPTION: cURL is vulnerable to a denial of service, caused by a heap use-after-free flaw in the Curl_close function. By sending a specially-crafted request, 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/152299 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-16842
DESCRIPTION: cURL could allow a remote attacker to obtain sensitive information, caused by a heap-based buffer over-read in the display function in the command line tool. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service condition.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152300 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

Product	Affected Version
IBM Dynamic System Analysis (DSA) Preboot	9.6

Remediation/Fixes

Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/

Product	Fix Version
IBM Dynamic System Analysis (DSA) Preboot (ibm_fw_dsa_dsyte2z-9.65_anyos_32-64)	dsyte2z-9.65

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

23 April 2019: Initial version published

*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.

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Tips

Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in cURL (CVE-2018-16840 CVE-2018-16842)