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AUSCERT External Security Bulletin Redistribution
ESB-2021.0041.2
USN-4677-1 and USN-4677-2: p11-kit vulnerabilities
7 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: p11-kit
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-29363 CVE-2020-29362 CVE-2020-29361
Reference: ESB-2021.0032
ESB-2021.0015
Original Bulletin:
https://ubuntu.com/security/notices/USN-4677-1
https://ubuntu.com/security/notices/USN-4677-2
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: January 7 2021: Update USN-4677-2 added for Ubuntu 14.04 ESM
January 6 2021: Initial Release
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USN-4677-1: p11-kit vulnerabilities
05 January 2021
Several security issues were fixed in p11-kit.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o p11-kit - p11-glue utilities
Details
David Cook discovered that p11-kit incorrectly handled certain memory
operations. An attacker could use this issue to cause p11-kit to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.10
o libp11-kit0 - 0.23.21-2ubuntu0.1
o p11-kit - 0.23.21-2ubuntu0.1
o p11-kit-modules - 0.23.21-2ubuntu0.1
Ubuntu 20.04
o libp11-kit0 - 0.23.20-1ubuntu0.1
o p11-kit - 0.23.20-1ubuntu0.1
o p11-kit-modules - 0.23.20-1ubuntu0.1
Ubuntu 18.04
o libp11-kit0 - 0.23.9-2ubuntu0.1
o p11-kit - 0.23.9-2ubuntu0.1
o p11-kit-modules - 0.23.9-2ubuntu0.1
Ubuntu 16.04
o libp11-kit0 - 0.23.2-5~ubuntu16.04.2
o p11-kit - 0.23.2-5~ubuntu16.04.2
o p11-kit-modules - 0.23.2-5~ubuntu16.04.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-29362
o CVE-2020-29363
o CVE-2020-29361
- --------------------------------------------------------------------------------
USN-4677-2: p11-kit vulnerability
06 January 2021
Several security issues were fixed in p11-kit.
Releases
o Ubuntu 14.04 ESM
Packages
o p11-kit - p11-glue utilities
Details
USN-4677-1 fixed a vulnerability in p11-kit. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
David Cook discovered that p11-kit incorrectly handled certain memory
operations. An attacker could use this issue to cause p11-kit to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04
o libp11-kit0 - 0.20.2-2ubuntu2+esm1
o p11-kit - 0.20.2-2ubuntu2+esm1
o p11-kit-modules - 0.20.2-2ubuntu2+esm1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-29361
Related notices
o USN-4677-1 : libp11-kit0, p11-kit, p11-kit-modules
- --------------------------END INCLUDED TEXT--------------------
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