SB2019011627 - Fedora 29 update for anaconda, python3
Published: January 16, 2019 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2019-5010)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the X509 certificate parser of the affected software improperly handles X509 certificates with a certificate extension that uses a Certificate Revocation List (CRL) distribution point with empty distributionPoint and cRLIssuer fields. A remote attacker can send a request to initiate a Transport Layer Security (TLS) connection using an X509 certificate that submits malicious input, trigger a NULL pointer dereference condition that causes the application to crash, resulting in a DoS condition.
2) Improper input validation (CVE-ID: CVE-2018-1060)
The vulnerability allows a remote attacker to cause DoS condition on he target system.The weakness exists due to the way catastrophic backtracking was implemented in apop() method in pop3lib. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.