Stored cross-site scripting in ceph (Alpine package)

1) Stored cross-site scripting

EUVDB-ID: #VU31882

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 - 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 update from vendor's website.

Vulnerable software versions

ceph (Alpine package): 14.2.3-r0 - 14.2.8-r0

External links

http://git.alpinelinux.org/aports/commit/?id=a2d911e64f7f95e990fdee223abc710d81e39fc6
http://git.alpinelinux.org/aports/commit/?id=2dda68448cfdb97f20e4a2e56b30e5f6e9771121
http://git.alpinelinux.org/aports/commit/?id=327c8e45697d9dd3eb02fbd36281d11f484b1ebe

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.