NULL pointer dereference in LibRaw - CVE-2020-24890

 

NULL pointer dereference in LibRaw - CVE-2020-24890

Published: September 16, 2020 / Updated: September 24, 2020


Vulnerability identifier: #VU47048
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-24890
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a NULL pointer dereference error in parse_tiff_ifd() function in src/metadata/tiff.cpp. A remote attacker can pass specially crafted TIFF file to the application and execute arbitrary code on the system.


Affected software

LibRaw
libraw (Alpine package)
LibRaw
Fedora

How to mitigate CVE-2020-24890

Install update from vendor's website.

LibRaw - update to 0.20.0-3.fc33

External References

Related Security Bulletins