Red Hat update for ceph

1) Denial of service

EUVDB-ID: #VU11220

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7262

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to perform HTTP response splitting attack.

The weakness exists in the rgw_civetweb.cc RGWCivetWeb::init_envfunction due to improper handling of HTTP headers. A remote attacker can send a specially crafted HTTP header and cause the service to crash.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Ceph Storage: 3

CPE2.3

• cpe:2.3:a:red_hat:red_hat_ceph_storage:3:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2018:0546

Q & A

Can this vulnerability be exploited remotely?

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

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.

Is there known malware, which exploits this vulnerability?

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