Stored XSS in Red Hat Ceph-Ci

1) Stored cross-site scripting

EUVDB-ID: #VU31882

Risk: Medium

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

CVE-ID: CVE-2020-1760

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon S3. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ceph-ci: 0.53 - 16.0.0

CPE2.3

• cpe:2.3:a:red_hat:ceph-ci:0.53:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ceph-ci:0.54:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ceph-ci:0.55:*:*:*:*:*:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1760
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5OVLCZGODXE/
https://www.openwall.com/lists/oss-security/2020/04/07/1

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.