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USN-6322-1: elfutils vulnerabilities

30 August 2023

Several security issues were fixed in elfutils.

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Releases

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 made to crash or consume resources, resulting in a denial of
service. (CVE-2020-21047, CVE-2021-33294)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-4012-1: libasm1, libelf1, libasm-dev, elfutils, libdw-dev, libelf-dev, libdw1

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Further reading