NULL pointer dereference in libvips - CVE-2018-7998
Published: October 13, 2019
Vulnerability identifier: #VU21749
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-2018-7998
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the vips_region_generate() function in region.c in the libvips library. A remote attacker can pass specially crafted input to the library and perform a denial of service (DoS) attack.
Affected software
libvips
Ubuntu
gir1.2-vips-8.0 (Ubuntu package)
libvips-tools (Ubuntu package)
libvips42 (Ubuntu package)
python-vipscc (Ubuntu package)
Ubuntu
gir1.2-vips-8.0 (Ubuntu package)
libvips-tools (Ubuntu package)
libvips42 (Ubuntu package)
python-vipscc (Ubuntu package)
How to mitigate CVE-2018-7998
Install update from vendor's website.
libvips - update to 8.6.3
gir1.2-vips-8.0 (Ubuntu package) - update to Ubuntu Pro
libvips-tools (Ubuntu package) - update to Ubuntu Pro
libvips42 (Ubuntu package) - update to Ubuntu Pro
python-vipscc (Ubuntu package) - update to Ubuntu Pro
gir1.2-vips-8.0 (Ubuntu package) - update to Ubuntu Pro
libvips-tools (Ubuntu package) - update to Ubuntu Pro
libvips42 (Ubuntu package) - update to Ubuntu Pro
python-vipscc (Ubuntu package) - update to Ubuntu Pro