xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop
CVE-2021-4249

4.3MEDIUM

Key Information:

Vendor

Unspecified

Status
Xml-conduit
Vendor
CVE Published:
18 December 2022

What is CVE-2021-4249?

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.

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Affected Version(s)

xml-conduit 0.5.0

xml-conduit 0.5.0.1

xml-conduit 0.5.1

References

https://github.com/snoyberg/xml/pull/161
https://hackage.haskell.org/package/xml-conduit-1.9.1.0
https://github.com/snoyberg/xml/commit/4be1021791dcdee8b1...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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