Packages
- sudo - Provide limited super user privileges to specific users
Details
It was discovered that Sudo incorrectly handled memory when parsing command
lines. A local attacker could possibly use this issue to obtain unintended
access to the administrator account. (CVE-2021-3156)
It was discovered that the Sudo sudoedit utility incorrectly handled
checking directory permissions. A local attacker could possibly use this
issue to bypass file permissions and determine if a directory exists or
not. (CVE-2021-23239)
It was discovered that Sudo incorrectly handled memory when parsing command
lines. A local attacker could possibly use this issue to obtain unintended
access to the administrator account. (CVE-2021-3156)
It was discovered that the Sudo sudoedit utility incorrectly handled
checking directory permissions. A local attacker could possibly use this
issue to bypass file permissions and determine if a directory exists or
not. (CVE-2021-23239)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.10 groovy | sudo – 1.9.1-1ubuntu1.1 | ||
| sudo-ldap – 1.9.1-1ubuntu1.1 | |||
| 20.04 focal | sudo – 1.8.31-1ubuntu1.2 | ||
| sudo-ldap – 1.8.31-1ubuntu1.2 | |||
| 18.04 bionic | sudo – 1.8.21p2-3ubuntu1.4 | ||
| sudo-ldap – 1.8.21p2-3ubuntu1.4 | |||
| 16.04 xenial | sudo – 1.8.16-0ubuntu1.10 | ||
| sudo-ldap – 1.8.16-0ubuntu1.10 | |||
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