Exploit/Advisories

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Ubuntu Security Notice USN-5464-1
June 07, 2022

e2fsprogs vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

e2fsprogs could be made to crash or possibly run programs if it processed
a specially crafted file system image.

Software Description:
- e2fsprogs: ext2/ext3/ext4 file system utilities

Details:

Nils Bars discovered that e2fsprogs incorrectly handled certain file
systems. A local attacker could use this issue with a crafted file
system image to possibly execute arbitrary code.

Update instructions:

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

Ubuntu 22.04 LTS:
e2fsck-static 1.46.5-2ubuntu1.1
e2fsprogs 1.46.5-2ubuntu1.1
fuse2fs 1.46.5-2ubuntu1.1

Ubuntu 21.10:
e2fsck-static 1.46.3-1ubuntu3.1
e2fsprogs 1.46.3-1ubuntu3.1
fuse2fs 1.46.3-1ubuntu3.1

Ubuntu 20.04 LTS:
e2fsck-static 1.45.5-2ubuntu1.1
e2fsprogs 1.45.5-2ubuntu1.1
fuse2fs 1.45.5-2ubuntu1.1

Ubuntu 18.04 LTS:
e2fsck-static 1.44.1-1ubuntu1.4
e2fsprogs 1.44.1-1ubuntu1.4
fuse2fs 1.44.1-1ubuntu1.4

Ubuntu 16.04 ESM:
e2fslibs 1.42.13-1ubuntu1.2+esm1
e2fsprogs 1.42.13-1ubuntu1.2+esm1

Ubuntu 14.04 ESM:
e2fsck-static 1.42.9-3ubuntu1.3+esm3
e2fsprogs 1.42.9-3ubuntu1.3+esm3

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

References:
https://ubuntu.com/security/notices/USN-5464-1
CVE-2022-1304

Package Information:
https://launchpad.net/ubuntu/+source/e2fsprogs/1.46.5-2ubuntu1.1
https://launchpad.net/ubuntu/+source/e2fsprogs/1.46.3-1ubuntu3.1
https://launchpad.net/ubuntu/+source/e2fsprogs/1.45.5-2ubuntu1.1
https://launchpad.net/ubuntu/+source/e2fsprogs/1.44.1-1ubuntu1.4

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