NULL pointer dereference in LibRaw - CVE-2018-5806

 

NULL pointer dereference in LibRaw - CVE-2018-5806

Published: December 10, 2018 / Updated: January 3, 2019


Vulnerability identifier: #VU16343
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-5806
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: LibRaw LLC
Affected software:
LibRaw

Detailed vulnerability description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to an error within the "leaf_hdr_load_raw()" function (internal/dcraw_common.cpp).  A local attacker can submit specially crafted images, trigger NULL pointer dereference and cause the service to crash.

How to mitigate CVE-2018-5806

Update to version 0.18.8.

Sources