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nvd[email protected]NVD:CVE-2022-43680
HistoryOct 24, 2022 - 2:15 p.m.

CVE-2022-43680

2022-10-2414:15:53
CWE-416
web.nvd.nist.gov
8
libexpat
use-after free
xml_externalentityparsercreate
vulnerability
2.4.9

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

74.1%

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

Affected configurations

Nvd
Node
libexpat_projectlibexpatRangeโ‰ค2.4.9
Node
debiandebian_linuxMatch10.0
OR
debiandebian_linuxMatch11.0
Node
fedoraprojectfedoraMatch35
OR
fedoraprojectfedoraMatch36
OR
fedoraprojectfedoraMatch37
Node
netapph300sMatch-
AND
netapph300s_firmwareMatch-
Node
netapph500sMatch-
AND
netapph500s_firmwareMatch-
Node
netapph700sMatch-
AND
netapph700s_firmwareMatch-
Node
netapph410sMatch-
AND
netapph410s_firmwareMatch-
Node
netapph410cMatch-
AND
netapph410c_firmwareMatch-
Node
netappactive_iq_unified_managerMatch-vmware_vsphere
OR
netapponcommand_workflow_automationMatch-
OR
netappsolidfire_\&_hci_management_nodeMatch-
Node
netapphci_compute_nodeMatch-
AND
netapphci_compute_node_firmwareMatch-
VendorProductVersionCPE
libexpat_projectlibexpat*cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
fedoraprojectfedora36cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
fedoraprojectfedora37cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
netapph300s-cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
netapph300s_firmware-cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
netapph500s-cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
netapph500s_firmware-cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
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References

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

74.1%