NULL pointer dereference in libwpd - CVE-2018-19208
Published: November 20, 2018 / Updated: November 20, 2018
Vulnerability identifier: #VU15975
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-19208
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to NULL pointer dereference condition in the WP6ContentListener::defineTable function, as defined in the WP6ContentListener.cpp file. A remote attacker can send trick the victim into opening a specially crafted file that submits malicious input, trigger a NULL pointer dereference condition and cause the software to crash.
Affected software
libwpd
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Opensuse
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Opensuse
How to mitigate CVE-2018-19208
Install update from vendor's website.