CVE-2021-4249— xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop
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I. Basic Information for CVE-2021-4249
Vulnerability Information
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Vulnerability Title
xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation leads to infinite loop. It is possible to launch the attack remotely. Upgrading to version 1.9.1.0 is able to address this issue. The name of the patch is 4be1021791dcdee8b164d239433a2043dc0939ea. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216204.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
snoyberg xml 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
snoyberg xml是Michael Snoyman个人开发者的一个 Haskell 的各种 XML 实用程序包。 snoyberg xml 存在安全漏洞，该漏洞源于其component DOCTYPE Entity Expansion Handler组件的xml-conduit/src/Text/XML/Stream/Parse.hs文件中的一些未知函数导致无限循环。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| unspecified | xml-conduit | 0.5.0 | - |
II. Public POCs for CVE-2021-4249
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · unspecified · 2022-12-18 · 7 CVEs total
| CVE-2022-4603 | 4.3 MEDIUM | ppp pppdump pppdump.c dumpppp array index |
| CVE-2021-4251 | 3.5 LOW | as include.cdn.php getFullURL cross site scripting |
| CVE-2021-4252 | 3.5 LOW | WP-Ban ban-options.php toggle_checkbox cross site scripting |
| CVE-2022-4593 | 3.5 LOW | retra-system cross site scripting |
| CVE-2022-4595 | 3.5 LOW | django-openipam exposed_hosts.html cross site scripting |
| CVE-2022-4596 | 3.5 LOW | Shoplazza Add Blog Post cross site scripting |
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Same vendor: unspecified
Same weakness: CWE-404
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V. Comments for CVE-2021-4249
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