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AUSCERT External Security Bulletin Redistribution
ESB-2020.1258
USN-4326-1: libiberty vulnerabilities
9 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libiberty
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-14250 CVE-2019-9071 CVE-2019-9070
CVE-2018-18701 CVE-2018-18700 CVE-2018-18484
CVE-2018-18483 CVE-2018-17985 CVE-2018-17794
CVE-2018-12934 CVE-2018-12698 CVE-2018-12697
CVE-2018-12641 CVE-2018-9138
Original Bulletin:
https://usn.ubuntu.com/4326-1/
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USN-4326-1: libiberty vulnerabilities
8 April 2020
libiberty vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in libiberty.
Software Description
o libiberty - library of utility functions used by GNU programs
Details
It was discovered that libiberty incorrectly handled parsing certain binaries.
If a user or automated system were tricked into processing a specially crafted
binary, a remote attacker could use this issue to cause libiberty 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 18.04 LTS
libiberty-dev - 20170913-1ubuntu0.1
Ubuntu 16.04 LTS
libiberty-dev - 20160215-1ubuntu0.3
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2018-12641
o CVE-2018-12697
o CVE-2018-12698
o CVE-2018-12934
o CVE-2018-17794
o CVE-2018-17985
o CVE-2018-18483
o CVE-2018-18484
o CVE-2018-18700
o CVE-2018-18701
o CVE-2018-9138
o CVE-2019-14250
o CVE-2019-9070
o CVE-2019-9071
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