USN-6322-1: elfutils vulnerabilities
30 August 2023
Several security issues were fixed in elfutils.
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
-
elfutils
-
0.176-1.1ubuntu0.1
-
libasm1
-
0.176-1.1ubuntu0.1
-
libdw1
-
0.176-1.1ubuntu0.1
-
libelf1
-
0.176-1.1ubuntu0.1
Ubuntu 18.04
-
elfutils
-
0.170-0.4ubuntu0.1+esm1
Available with Ubuntu Pro
-
libasm1
-
0.170-0.4ubuntu0.1+esm1
Available with Ubuntu Pro
-
libdw1
-
0.170-0.4ubuntu0.1+esm1
Available with Ubuntu Pro
-
libelf1
-
0.170-0.4ubuntu0.1+esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
elfutils
-
0.165-3ubuntu1.2+esm1
Available with Ubuntu Pro
-
libasm1
-
0.165-3ubuntu1.2+esm1
Available with Ubuntu Pro
-
libdw1
-
0.165-3ubuntu1.2+esm1
Available with Ubuntu Pro
-
libelf1
-
0.165-3ubuntu1.2+esm1
Available with Ubuntu Pro
Ubuntu 14.04
-
elfutils
-
0.158-0ubuntu5.3+esm1
Available with Ubuntu Pro
-
libasm1
-
0.158-0ubuntu5.3+esm1
Available with Ubuntu Pro
-
libdw1
-
0.158-0ubuntu5.3+esm1
Available with Ubuntu Pro
-
libelf1
-
0.158-0ubuntu5.3+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
Related notices
- USN-4012-1: libasm1, libelf-dev, libelf1, libdw1, libasm-dev, libdw-dev, elfutils