CVE-2017-16030

描述

Affected versions of `useragent` are vulnerable to regular expression denial of service when an arbitrarily long `User-Agent` header is parsed. ## Proof of Concept ```js var useragent = require('useragent'); var badUserAgent = 'MSIE 0.0'+Array(900000).join('0')+'XBLWP'; var request = 'GET / HTTP/1.1\r\nUser-Agent: ' + badUserAgent + '\r\n\r\n'; console.log(useragent.parse(request)); ``` ## Recommendation Update to version 2.1.13 or later.

如何修補 CVE-2017-16030

要修補 CVE-2017-16030,請將受影響套件升級到下列已修補版本。

• npm/useragent—升級至 2.1.13 或更新版本

CVE-2017-16030 正在被利用嗎?

低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 2.1.13

參考連結(3)

• ADVISORYgithub.com/advisories/GHSA-pjmx-9xr3-82qr
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2017-16030
• WEBwww.npmjs.com/advisories/312