SB2018103011 - Red Hat update for libcdio
Published: October 30, 2018
Security Bulletin ID
SB2018103011
Severity
Low
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-18198)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the print_iso9660_recurse in iso-info.c due to improper handling of crafted ISO image files. A remote attacker can create a specially crafted ISO file, trick the victim into opening it, trigger memory corruption and cause the service to crash.
2) NULL pointer dereference (CVE-ID: CVE-2017-18199)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the realloc_symlink function due to improper handling of crafted ISO image files. A remote attacker can create a specially crafted ISO image file, trick the victim into opening it and cause the service to crash.
3) Double free (CVE-ID: CVE-2017-18201)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the get_cdtext_generic() function due to double free. A local attacker can send specially crafted input, trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.