Memory leak in libvips - CVE-2019-6976
Published: October 13, 2019
Vulnerability identifier: #VU21748
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6976
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due memory leak within the iofuncs/memory.c file in libvips library due to application does not zero out allocated memory when when processing corrupted input image data. A remote attacker can pass to the application a corrupted data and leak raw process memory contents through the output image.
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-2019-6976
Install updates from vendor's website.
libvips - update to 8.7.4
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