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AUSCERT External Security Bulletin Redistribution
ESB-2021.1665
USN-4955-1: Please vulnerabilities
18 May 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Please
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-31155 CVE-2021-31154 CVE-2021-31153
Original Bulletin:
https://ubuntu.com/security/notices/USN-4955-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running Please check for an updated version of the software for
their operating system.
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USN-4955-1: Please vulnerabilities
17 May 2021
Several security issues were fixed in Please.
Releases
o Ubuntu 21.04
Packages
o rust-pleaser - Please, a polite regex-first sudo alternative
Details
Matthias Gerstner discovered that Please contained multiple security
issues. A local attacker could use these issues to cause Please to crash,
resulting in a denial of service, or possibly escalate privileges.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o pleaser - 0.4.1-1~21.04.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-31155
o CVE-2021-31154
o CVE-2021-31153
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