SB2020022103 - Amazon Linux AMI update for openssl
Published: February 21, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Unprotected storage of credentials (CVE-ID: CVE-2019-15635)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to an error in encrypt-datasource-passwords data migration command that failed to encrypt user credentials for various data sources. A local user can view migration settings and reveal database credentials.
Note, this vulnerability can be exploited via Grafana web UI by pressing the "Save and test" button within a data source's settings menu.
2) Padding oracle attack (CVE-ID: CVE-2019-1563)
The vulnerability allows a remote attacker to perform padding oracle attack.
The vulnerability exists due to possibility to perform a Bleichenbacher padding oracle attack against the RSA key, in situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker. A remote attacker can send a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key.
3) Input validation error (CVE-ID: CVE-2019-15639)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the "main/translate.c". A remote attacker can send a specific RTP packet during a call and cause a crash in a specific scenario.
Remediation
Install update from vendor's website.