SB2018052206 - Denial of service in Poppler
Published: May 22, 2018
Security Bulletin ID
SB2018052206
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Uncontrolled recursion (CVE-ID: CVE-2017-18267)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the FoFiType1C::cvtGlyph function in fofi/FoFiType1C.cc due to infinite recursion. A remote attacker can trick the victim into opening a specially crafted PDF file and cause the service to crash.
2) NULL pointer dereference (CVE-ID: CVE-2018-10768)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the AnnotPath::getCoordsLength function in Annot.h due to NULL pointer dereference. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.