sudo 1.8.21p2-3ubuntu1.4: sudo 1.8.21p2-3ubuntu1.4 for Ubuntu 18.04.6 LTS (bionic)

sudo 1.8.21p2-3ubuntu1.4, released January 26, 2021, fixes 2 CVEs in sudo. One of them is being exploited (CVE-2021-3156); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVUnsupported product

CVEs closed

None rated Critical

Exploited

CVE-2021-3156

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.9996

99th percentile

Priority of the 2 CVEs

Patch now 1
                                Urgent 0
                                High 0
                                Routine 1

Fixed package versions

Product	Release	Fixed in
sudo	Ubuntu 18.04.6 LTS (bionic)	1.8.21p2-3ubuntu1.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2021-3156	sudo: Resolves: rhbz#1917732	7.8	0.9996	KEVExploited
Routine	CVE-2021-23239	libnss-sudo: The sudoedit personality of Sudo before 1.9.5 may allow a localunprivileged user to perform arbitrary directory-exist...	2.5	0.0100	None reported

Also fixes CVE-2021-3156

sudo 1.8.31-1ubuntu1.2
sudo on Ubuntu 20.04 LTS (focal)
sudo-ldap 1.8.21p2-3ubuntu1.4
sudo-ldap on Ubuntu 18.04.6 LTS (bionic)
sudo-ldap 1.8.31-1ubuntu1.2
sudo-ldap on Ubuntu 20.04 LTS (focal)
ELSA-2021-0218
sudo on ol 8
RHSA-2021:0218
sudo on RHEL 8

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