#VU13006 Stack-based buffer overflow in IBM DB2 - CVE-2018-1459


Vulnerability identifier: #VU13006

Vulnerability risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Clear]

CVE-ID: CVE-2018-1459

CWE-ID: CWE-121

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
IBM DB2
Server applications / Database software

Vendor: IBM Corporation

Description

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

The weakness exists due to stack based buffer overflow in Db2's rah.exe. A local attacker can trigger memory corruption and escalate privileges to the DB2 instance owner to execute arbitrary code with root privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM DB2: 10.5.0.0 - 10.5.0.9, 11.1 FP1 - 11.1.0.0

External links
https://www-01.ibm.com/support/docview.wss?uid=swg22016142

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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability


Privilege escalation in IBM DB2