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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)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

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.

Related notices

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