Red Hat update for rabbitmq-server

1) Input validation error

EUVDB-ID: #VU24218

Risk: Medium

CVSSv4.0: 6.6 [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:U/U:Green]

CVE-ID: CVE-2019-11287

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input passed via the "X-Reason" HTTP Header. A remote attacker can inject a malicious Erlang format string into the "X-Reason" HTTP Header that once expanded will consume the heap, resulting in the server crashing.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenStack: 15.0

Red Hat OpenStack for IBM Power: 15.0

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openstack:15.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack_for_ibm_power:15.0:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2020:0078

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.