Ubuntu Security Notice USN-5402-2 ≈ Packet Storm

Home ^[1] Files ^[2] News ^[3] Contact ^[4] Add New ^[5]

Ubuntu Security Notice USN-5402-2^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 5402-2 - USN-5402-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 16.04 ESM. Elison Niven 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. Aliaksei Levin discovered that OpenSSL incorrectly handled resources when decoding certificates and keys. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2022-1292 ^[11], CVE-2022-1473 ^[12]; SHA-256 | 38897d1c35ed3fd17bf48d11add588afe226f3e13ae49956791b9fd6a4337cd4; Download ^[13] | Favorite ^[14] | View ^[15]

        ==========================================================================
Ubuntu Security Notice USN-5402-2
May 26, 2022
openssl vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in OpenSSL.
Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools
Details:
USN-5402-1 fixed several vulnerabilities in OpenSSL. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Elison Niven 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. (CVE-2022-1292)
Aliaksei Levin discovered that OpenSSL incorrectly handled resources when
decoding certificates and keys. A remote attacker could possibly use this
issue to cause OpenSSL to consume resources, leading to a denial of
service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-1473)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 ESM:
libssl1.0.0                     1.0.2g-1ubuntu4.20+esm3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5402-2
https://ubuntu.com/security/notices/USN-5402-1
CVE-2022-1292, CVE-2022-1473