USN-6322-1: elfutils vulnerabilities

Publication date

30 August 2023

Overview

Several security issues were fixed in elfutils.


Packages

  • elfutils - collection of utilities to handle ELF objects

Details

It was discovered that elfutils incorrectly handled certain malformed
files. If a user or automated system were tricked into processing a
specially crafted file, elfutils could be made to crash or consume
resources, resulting in a denial of service. This issue only affected
Ubuntu 14.04 LTS. (CVE-2018-16062, CVE-2018-16403, CVE-2018-18310,
CVE-2018-18520, CVE-2018-18521, CVE-2019-7149, CVE-2019-7150,
CVE-2019-7665)

It was discovered that elfutils incorrectly handled bounds checks in
certain functions when processing malformed files. If a user or automated
system were tricked into processing a specially crafted file, elfutils
could be...

It was discovered that elfutils incorrectly handled certain malformed
files. If a user or automated system were tricked into processing a
specially crafted file, elfutils could be made to crash or consume
resources, resulting in a denial of service. This issue only affected
Ubuntu 14.04 LTS. (CVE-2018-16062, CVE-2018-16403, CVE-2018-18310,
CVE-2018-18520, CVE-2018-18521, CVE-2019-7149, CVE-2019-7150,
CVE-2019-7665)

It was discovered that elfutils incorrectly handled bounds checks in
certain functions when processing malformed files. If a user or automated
system were tricked into processing a specially crafted file, elfutils
could be made to crash or consume resources, resulting in a denial of
service. (CVE-2020-21047, CVE-2021-33294)


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
20.04 focal elfutils –  0.176-1.1ubuntu0.1
libasm1 –  0.176-1.1ubuntu0.1
libdw1 –  0.176-1.1ubuntu0.1
libelf1 –  0.176-1.1ubuntu0.1
18.04 bionic elfutils –  0.170-0.4ubuntu0.1+esm1  
libasm1 –  0.170-0.4ubuntu0.1+esm1  
libdw1 –  0.170-0.4ubuntu0.1+esm1  
libelf1 –  0.170-0.4ubuntu0.1+esm1  
16.04 xenial elfutils –  0.165-3ubuntu1.2+esm1  
libasm1 –  0.165-3ubuntu1.2+esm1  
libdw1 –  0.165-3ubuntu1.2+esm1  
libelf1 –  0.165-3ubuntu1.2+esm1  
14.04 trusty elfutils –  0.158-0ubuntu5.3+esm1  
libasm1 –  0.158-0ubuntu5.3+esm1  
libdw1 –  0.158-0ubuntu5.3+esm1  
libelf1 –  0.158-0ubuntu5.3+esm1  

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