CVE-2018-1781 : IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access. IBM X-Force ID: 148804.

Published 2018-11-09 01:29:01

Updated 2019-10-09 23:39:05

Source IBM Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-1781

EPSS FAQ

0.04%

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

~ 6 %

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

CVSS scores for CVE-2018-1781

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
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

CWE ids for CVE-2018-1781

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-2018-1781

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/148804

IBM DB2 privilege escalation CVE-2018-1781 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

Products affected by CVE-2018-1781

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

Vulnerability Details : CVE-2018-1781

Exploit prediction scoring system (EPSS) score for CVE-2018-1781

CVSS scores for CVE-2018-1781

CWE ids for CVE-2018-1781

References for CVE-2018-1781

Products affected by CVE-2018-1781