Cross-site scripting in Prometheus

1) Cross-site scripting

EUVDB-ID: #VU95142

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-3826

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. A remote attacker can trick the victim to follow a specially crafted link 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

prometheus: All versions

CPE2.3

• cpe:2.3:a:prometheus:prometheus:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHBA-2019:0327
https://advisory.checkmarx.net/advisory/CX-2019-4297
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3826
https://github.com/prometheus/prometheus/commit/62e591f9
https://github.com/prometheus/prometheus/pull/5163
https://lists.apache.org/thread.html/r48d5019bd42e0770f7e5351e420a63a41ff1f16924942442c6aff6a8@%3Ccommits.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/r8e3f7da12bf5750b0a02e69a78a61073a2ac950eed7451ce70a65177@%3Ccommits.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rdf2a0d94c3b5b523aeff7741ae71347415276062811b687f30ea6573@%3Ccommits.zookeeper.apache.org%3E

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.