Security Bulletin: IBM QRadar SIEM is vulnerable to publicly disclosed vulnerabilities from OpenSSL (CVE-2018-0739, CVE-2018-0732)

Summary

Publicly disclosed vulnerabilities from OpenSSL

Vulnerability Details

CVEID: CVE-2018-0739
**Description:**OpenSSL is vulnerable to a denial of service. By sending specially crafted ASN.1 data with a recursive definition, a remote attacker could exploit this vulnerability to consume excessive stack memory.
**CVSS Base Score:**5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/140847&gt; 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-2018-0732 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the sending of a very large prime value to the client by a malicious server during key agreement in a TLS handshake. By spending an unreasonably long period of time generating a key for this prime, a remote attacker could exploit this vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/144658&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

• IBM QRadar SIEM 7.3.0 - 7.3.0 Patch 7

Remediation/Fixes

• QRadar / QRM / QVM / QRIF / QNI 7.3.1 Patch 8

Workarounds and Mitigations

None