SB2018022507 - Resource exhaustion in qpdf (Alpine package)
Published: February 25, 2018
Security Bulletin ID
SB2018022507
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-2017-12595)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in QPDFObjectHandle::parseInternal in libqpdf/QPDFObjectHandle.cc due to the tokenizer is recursive for arrays and dictionaries. A remote attacker can trick the victim into opening a specially crafted PDF document with a deep data structure, trigger stack consumption and cause the service to crash.
Remediation
Install update from vendor's website.