CVE-2020-4270 : IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated pri

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions. IBM X-ForceID: 175846.

Published 2020-04-15 16:15:18

Updated 2022-06-29 21:19:11

Source IBM Corporation

View at NVD, CVE.org

Products affected by CVE-2020-4270

IBM » Qradar Security Information And Event Manager
Versions from including (>=) 7.3.0 and before (<) 7.3.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P1
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p1:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P2
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p2:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 19 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.4	HIGH	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	2.5	5.9	IBM Corporation
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-276 Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

Assigned by: nvd@nist.gov (Primary)

https://exchange.xforce.ibmcloud.com/vulnerabilities/175846

IBM QRadar privilege escalation CVE-2020-4270 Vulnerability Report
VDB Entry;Vendor Advisory
http://seclists.org/fulldisclosure/2020/Apr/38

Full Disclosure: Local privilege escalation in QRadar due to run-result-reader.sh insecure file permissions
Exploit;Mailing List;Third Party Advisory
http://packetstormsecurity.com/files/157335/QRadar-Community-Edition-7.3.1.6-Insecure-File-Permissions.html

QRadar Community Edition 7.3.1.6 Insecure File Permissions ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
https://www.ibm.com/support/pages/node/6189657

Security Bulletin: IBM QRadar SIEM is vulnerable to privilege escalation (CVE-2020-4270)
Vendor Advisory

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