DoS attack in IBM FileNet Content Manager Content Search Services (CSS)

1) Infinite loop

EUVDB-ID: #VU64889

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12418

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in archive.java in Junrar when handling corrupt RAR files. A local attacker can trick the victim into opening a specially crafted RAR file and cause denial of service conditions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM FileNet Content Manager: 5.5.4.0 - 5.5.8.0

External links

http://www.ibm.com/support/pages/node/6557110

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.