Vulnerability identifier: #VU31882

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1760

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ceph-ci
Server applications / Frameworks for developing and running applications

Vendor: Red Hat Inc.

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

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

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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.