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AUSCERT External Security Bulletin Redistribution
ESB-2018.2642
libtirpc vulnerabilities
6 September 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: libtirpc
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14622 CVE-2017-8779 CVE-2016-4429
Reference: ESB-2017.1422
ESB-2017.1389
ESB-2017.1316
ESB-2017.1148
Original Bulletin:
http://www.ubuntu.com/usn/usn-3759-1
http://www.ubuntu.com/usn/usn-3759-2
Comment: This bulletin contains two (2) Ubuntu security advisories.
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USN-3759-1: libtirpc vulnerabilities
5 September 2018
libtirpc vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
o Ubuntu 14.04 LTS
Summary
Several security issues were fixed in libtirpc.
Software Description
o libtirpc - transport-independent RPC library - development files
Details
Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs. An
attacker could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4429)
It was discovered that libtirpc incorrectly handled certain inputs. An attacker
could possibly use this issue to cause a denial of service. (CVE-2018-14622)
It was discovered that libtirpc incorrectly handled certain strings. An
attacker could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-8779)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04 LTS
libtirpc-dev - 0.2.5-1.2ubuntu0.1
libtirpc1 - 0.2.5-1.2ubuntu0.1
Ubuntu 16.04 LTS
libtirpc-dev - 0.2.5-1ubuntu0.1
libtirpc1 - 0.2.5-1ubuntu0.1
Ubuntu 14.04 LTS
libtirpc-dev - 0.2.2-5ubuntu2.1
libtirpc1 - 0.2.2-5ubuntu2.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the
necessary changes.
References
o CVE-2016-4429
o CVE-2017-8779
o CVE-2018-14622
(C) 2017 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
Canonical Ltd.
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USN-3759-2: libtirpc vulnerabilities
5 September 2018
libtirpc vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in libtirpc.
Software Description
o libtirpc - transport-independent RPC library - development files
Details
USN-3759-1 fixed a vulnerability in libtirpc. This update provides the
corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2016-4429)
It was discovered that libtirpc incorrectly handled certain inputs. An attacker
could possibly use this issue to cause a denial of service. (CVE-2018-14622)
It was discovered that libtirpc incorrectly handled certain strings. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2017-8779)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 12.04 ESM
libtirpc-dev - 0.2.2-5ubuntu0.1
libtirpc1 - 0.2.2-5ubuntu0.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the
necessary changes.
References
o USN-3759-1
o CVE-2016-4429
o CVE-2017-8779
o CVE-2018-14622
(C) 2017 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
Canonical Ltd.
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