Cross-site scripting in ruby-rails (Alpine package)

1) Cross-site scripting

EUVDB-ID: #VU32878

Risk: Low

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

CVE-ID: CVE-2013-1857

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

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via a crafted scheme name, as demonstrated by including a : sequence. 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

ruby-rails (Alpine package): 2.3.11-r0

CPE2.3

• cpe:2.3:o:alpine:ruby-rails_alpine_package:2.3.11-r0:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=071aa398a5f2aaa3fd87fac7b6b113e5b4885ce6
https://git.alpinelinux.org/aports/commit/?id=9f3c3089dc26b26d6b1949880f09b7c231c6cc42
https://git.alpinelinux.org/aports/commit/?id=5c028fa18d7864d9ca882864495c365d5d940864

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.