SB2018111602 - Privilege escalation vulnerabilities in IBM DB2

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2018111602

SB2018111602 - Privilege escalation vulnerabilities in IBM DB2

Published: November 16, 2018 Updated: November 16, 2018

Security Bulletin ID SB2018111602
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Privilege escalation (CVE-ID: CVE-2018-1780)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privileges and access controls. A a local db2 instance owner can exploit a symbolic link attack to read/write/corrupt a file that he originally did not have permission to access and obtain root access to the system.


2) Privilege escalation (CVE-ID: CVE-2018-1781)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privileges and access controls. A a local db2 instance owner can exploit a symbolic link attack to read/write/corrupt a file that he originally did not have permission to access and obtain root access to the system.


3) Privilege escalation (CVE-ID: CVE-2018-1799)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privileges and access controls. A local db2 instance owner can overwrite files on the system which could cause damage to the database.


4) Privilege escalation (CVE-ID: CVE-2018-1834)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privileges and access controls. A local db2 instance owner can conduct symbolic link attack and gain elevated privileges.


Remediation

Install update from vendor's website.

References