Cross-site scripting in py-django (Alpine package)

1) Cross-site scripting

EUVDB-ID: #VU18672

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12308

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 URL within the AdminURLFieldWidget. A remote attacker can trick the victim to follow a specially crafted link and display a clickable JavaScript link.

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

py-django (Alpine package): 1.11.20-r0 - 1.11.20-r1

External links

http://git.alpinelinux.org/aports/commit/?id=c51ae3c04c4501fab96ced4b8ecc6a81e9c51e09
http://git.alpinelinux.org/aports/commit/?id=ece4776819ab6ba9289ec3478766b5298bbcfa86
http://git.alpinelinux.org/aports/commit/?id=f545a3e9d547e92bcc100a029a62c393337e7b8c
http://git.alpinelinux.org/aports/commit/?id=7c08ad453addc444dcde7fac47a4aa6479257560
http://git.alpinelinux.org/aports/commit/?id=901a6212b9da2d67aced00bf967da681827a5f37
http://git.alpinelinux.org/aports/commit/?id=3192c106fcf98faea0a2e8554ba5b4be87ca45b8

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.