Infinite loop in SAN Volume Controller and Storwize Family

1) Infinite loop

EUVDB-ID: #VU5233

Risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2014-0050

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to cause DoS conditions on the target system.

The weakness exists due to boundary error when handling Content-Type HTTP header for multipart requests. By sending a specially crafted Content-Type header, containing 4092 characters in "boundary" field, a remote attacker can cause the application to enter into an infinite loop.

Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Storwize V3500: before 7.1.0.8

IBM Storwize V3700: before 7.1.0.8

IBM Storwize V5000: before 7.1.0.8

IBM Storwize V7000: before 7.1.0.8

CPE2.3

• cpe:2.3:h:ibm_corporation:ibm_storwize_v3500:*:*:*:*:*:*:*:*
• cpe:2.3:h:ibm_corporation:ibm_storwize_v3700:*:*:*:*:*:*:*:*
• cpe:2.3:h:ibm_corporation:ibm_storwize_v5000:*:*:*:*:*:*:*:*
• cpe:2.3:h:ibm_corporation:ibm_storwize_v7000:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/865996

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.