CVE-2021-3480

High

Description

A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Slapi-nis

PublishedMay 20, 2021

First seenMay 20, 2021

Weakness typeCWE-476NULL pointer dereference

How to fix

Update

slapi-nis_project slapi-nis0.56.7 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXMOMPTZTGOVFOZUUNXHOVCAYIPST74W/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVQCDRQRFHXVR3Z3FQYM3UMC7QZUDDRJ/

Affected products

Product	Affected versions	Fixed in
slapi-nis_project slapi-nis	v < 0.56.7	0.56.7
fedoraproject fedora	33, 34	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.