CVE-2021-4249

xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop

Published Dec 18, 2022 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

unspecified

xml-conduit

affected

Version	Status	Constraints
`0.5.0`	affected	—
`0.5.0.1`	affected	—
`0.5.1`	affected	—
`0.5.1.1`	affected	—
`0.5.1.2`	affected	—
`0.5.2`	affected	—
`0.5.3`	affected	—
`0.5.3.1`	affected	—
`0.5.4`	affected	—
`0.6.0`	affected	—
`0.6.1`	affected	—
`0.7.0`	affected	—
`0.7.0.1`	affected	—
`0.7.0.2`	affected	—
`0.7.0.3`	affected	—
`1.0.0`	affected	—
`1.0.1`	affected	—
`1.0.1.1`	affected	—
`1.0.2`	affected	—
`1.0.2.1`	affected	—
`1.0.3`	affected	—
`1.0.3.1`	affected	—
`1.0.3.2`	affected	—
`1.0.3.3`	affected	—
`1.1.0`	affected	—
`1.1.0.1`	affected	—
`1.1.0.2`	affected	—
`1.1.0.3`	affected	—
`1.1.0.4`	affected	—
`1.1.0.5`	affected	—
`1.1.0.6`	affected	—
`1.1.0.7`	affected	—
`1.1.0.8`	affected	—
`1.1.0.9`	affected	—
`1.2.0`	affected	—
`1.2.0.1`	affected	—
`1.2.0.2`	affected	—
`1.2.0.3`	affected	—
`1.2.1`	affected	—
`1.2.1.1`	affected	—
`1.2.2`	affected	—
`1.2.3`	affected	—
`1.2.3.1`	affected	—
`1.2.3.2`	affected	—
`1.2.3.3`	affected	—
`1.2.4`	affected	—
`1.2.5`	affected	—
`1.2.5.1`	affected	—
`1.2.6`	affected	—
`1.3.0`	affected	—
`1.3.1`	affected	—
`1.3.2`	affected	—
`1.3.3`	affected	—
`1.3.3.1`	affected	—
`1.3.4`	affected	—
`1.3.4.1`	affected	—
`1.3.4.2`	affected	—
`1.3.5`	affected	—
`1.4.0`	affected	—
`1.4.0.1`	affected	—
`1.4.0.2`	affected	—
`1.4.0.3`	affected	—
`1.4.0.4`	affected	—
`1.5.0`	affected	—
`1.5.1`	affected	—
`1.6.0`	affected	—
`1.7.0`	affected	—
`1.7.0.1`	affected	—
`1.7.1.0`	affected	—
`1.7.1.1`	affected	—
`1.7.1.2`	affected	—
`1.8.0`	affected	—
`1.8.0.1`	affected	—
`1.9.0.0`	affected	—

Configuration 1 [-]

cpe:2.3:a:haskell:xml-conduit:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2021-34096	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.843% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea
https://github.com/snoyberg/xml/pull/161
https://hackage.haskell.org/package/xml-conduit-1.9.1.0
https://vuldb.com/?id.216204