Security Bulletin: IBM QRadar SIEM is vulnerable to Publicly disclosed Samba vulnerabilities (CVE-2018-10858, CVE-2018-1139)

Summary

Publicly disclosed Samba vulnerabilities

Vulnerability Details

CVEID: CVE-2018-10858
**Description:**Samba is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by libsmbclient. By sending an overly long filename, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
**CVSS Base Score:**7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148710&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:L/I:L/A:L

CVEID: CVE-2018-1139
**Description:**Samba could allow a remote attacker to obtain sensitive information, caused by the use of weak NTLMv1 authentication over an SMB1 transport. An attacker could exploit this vulnerability using man-in-the-middle techniques to read details passed between the samba server and client.
**CVSS Base Score:**5.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148707&gt; for the current score
**CVSS Environmental Score:***Undefined
**CVSS Vector:**CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products and Versions

• IBM QRadar SIEM 7.3.0 - 7.3.1 Patch 7

Remediation/Fixes

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

Workarounds and Mitigations

None