Vulnerability identifier: #VU79324
Vulnerability risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:W/RC:C]
CVE-ID:
CWE-ID:
CWE-1333
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
html-minifier
Universal components / Libraries /
Programming Languages & Components
Vendor: kangax (Juriy Zaytsev)
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
html-minifier: 4.0.0
External links
http://github.com/kangax/html-minifier/issues/1135
http://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L294
http://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L1338
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.