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Ubuntu Security Notice USN-5488-1

Ubuntu Security Notice USN-5488-1
Posted Jun 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5488-1 - Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the c_rehash script. A local attacker could possibly use this issue to execute arbitrary commands when c_rehash is run.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2022-2068
SHA-256 | 5a9ce5992671e1b5986783112d991cf1a7ac72fd0b20a0774485aa00e5df67c0

Ubuntu Security Notice USN-5488-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5488-1
June 21, 2022

openssl, openssl1.0 vulnerability
==========================================================================

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

Summary:

OpenSSL could be made to crash or run programs when the c_rehash script is
used.

Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools
- openssl1.0: Secure Socket Layer (SSL) cryptographic library and tools

Details:

Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the
c_rehash script. A local attacker could possibly use this issue to execute
arbitrary commands when c_rehash is run.

Update instructions:

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

Ubuntu 22.04 LTS:
openssl 3.0.2-0ubuntu1.5

Ubuntu 21.10:
openssl 1.1.1l-1ubuntu1.5

Ubuntu 20.04 LTS:
openssl 1.1.1f-1ubuntu2.15

Ubuntu 18.04 LTS:
openssl 1.1.1-1ubuntu2.1~18.04.19
openssl1.0 1.0.2n-1ubuntu5.10

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

References:
https://ubuntu.com/security/notices/USN-5488-1
CVE-2022-2068

Package Information:
https://launchpad.net/ubuntu/+source/openssl/3.0.2-0ubuntu1.5
https://launchpad.net/ubuntu/+source/openssl/1.1.1l-1ubuntu1.5
https://launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu2.15
https://launchpad.net/ubuntu/+source/openssl/1.1.1-1ubuntu2.1~18.04.19
https://launchpad.net/ubuntu/+source/openssl1.0/1.0.2n-1ubuntu5.10
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