CVE-2018-1834 : IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 contains a vulnerability that could allow a local user to escalate their privileges to root through a symbolic link attack. IBM X-Force ID: 150511.

Published 2018-11-09 01:29:01

Updated 2019-10-09 23:39:12

Source IBM Corporation

View at NVD, CVE.org

Products affected by CVE-2018-1834

IBM » DB2 » Version: 9.7
cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
IBM » DB2 » Version: 10.1
cpe:2.3:a:ibm:db2:10.1:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
IBM » DB2 » Version: 10.5
cpe:2.3:a:ibm:db2:10.5:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
IBM » DB2 » Version: 11.1
cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-1834

EPSS FAQ

0.04%

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

~ 14 %

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

CVSS scores for CVE-2018-1834

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.8	HIGH	CVSS:3.0/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
7.4	HIGH	CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	1.4	5.9	IBM Corporation
Attack Vector: Local Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-1834

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-1834

http://www.ibm.com/support/docview.wss?uid=ibm10733939

IBM Security Bulletin: IBM® Db2® is affected by multiple privilege escalation vulnerabilities (CVE-2018-1799, CVE-2018-1780, CVE-2018-1781, CVE-2018-1834).
Vendor Advisory

CVEs referencing this url
https://exchange.xforce.ibmcloud.com/vulnerabilities/150511

IBM DB2 privilege escalation CVE-2018-1834 Vulnerability Report
VDB Entry;Vendor Advisory
http://www.securitytracker.com/id/1042086

IBM DB2 Multiple Symlink Attacks Let Local Users Gain Elevated Privileges - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://www.securityfocus.com/bid/105885

IBM DB2 Multiple Privilege Escalation Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url

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Vulnerability Details : CVE-2018-1834

Products affected by CVE-2018-1834

Exploit prediction scoring system (EPSS) score for CVE-2018-1834

CVSS scores for CVE-2018-1834

CWE ids for CVE-2018-1834

References for CVE-2018-1834