Privilege escalation in IBM DB2



Published: 2018-11-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1897
CWE-ID CWE-121
Exploitation vector Local
Public exploit N/A
Vulnerable software
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IBM DB2
Server applications / Database software

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU16160

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1897

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to stack-based buffer overflow when handling malicious input. A local attacker can run a specially crafted application to trigger memory corruption and execute arbitrary commands on the target system with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM DB2: 9.7.0.0 - 11.1.0.0

External links

http://www-01.ibm.com/support/docview.wss?uid=ibm10737295


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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