SB2018051417 - Denial of service in QPDF
Published: May 14, 2018
Security Bulletin ID
SB2018051417
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2018-9918)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the QPDFObjectHandle and QPDF_Dictionary classes due to mishandling certain "expected dictionary key but found non-name object" cases because nesting in direct objects is not restricted. A remote attacker can trigger stack exhaustion and cause the service to crash.
Remediation
Install update from vendor's website.