Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-21353 |
CWE-ID | CWE-94 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Pug Web applications / Modules and components for CMS |
Vendor | Pugjs |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU51267
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21353
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in visitMixin and visitMixinBlock within the "pretty" option. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPug: 1.0.2 - 3.0.0
External linkshttp://github.com/pugjs/pug/commit/991e78f7c4220b2f8da042877c6f0ef5a4683be0
http://github.com/pugjs/pug/issues/3312
http://github.com/pugjs/pug/pull/3314
http://github.com/pugjs/pug/releases/tag/pug%403.0.1
http://github.com/pugjs/pug/security/advisories/GHSA-p493-635q-r6gr
http://www.npmjs.com/package/pug
http://www.npmjs.com/package/pug-code-gen
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.