SB2018021533 - Fedora 26 update for patch
Published: February 15, 2018 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2016-10713)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists due to out-of-bounds access within pch_write_line() in pch.c. A local attacker can supply a specially crafted input, trigger memory corruption and cause the system to crash.
2) NULL pointer dereference (CVE-ID: CVE-2018-6951)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the intuit_diff_type function due to NULL pointer dereference. A remote attacker can cause the service to crash.
3) Double Free (CVE-ID: CVE-2018-6952)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing untrusted input within the another_hunk() function in pch.c. A remote attacker can create a specially crafted file, trick the victim into using in with the affected application, trigger a double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Privilege escalation (CVE-ID: CVE-2018-6962)
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The vulnerability exists due to a signature bypass flaw. A local attacker can gain elevated privileges.
Remediation
Install update from vendor's website.