Information disclosure in libvips - CVE-2020-20739

Vulnerability identifier: #VU48732

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-20739

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in "im_vips2dz" in "/libvips/libvips/deprecated/im_vips2dz.c". A remote attacker can gain unauthorized access to sensitive information on the system.

libvips
Ubuntu
Fedora
gir1.2-vips-8.0 (Ubuntu package)
libvips-tools (Ubuntu package)
libvips42 (Ubuntu package)
python-vipscc (Ubuntu package)
vips

Install updates from vendor's website.

libvips - update to 8.8.2
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
vips - update to 8.8.4-5.fc32

• https://github.com/libvips/libvips/commit/2ab5aa7bf515135c2b02d42e9a72e4c98e17031a
• https://github.com/libvips/libvips/issues/1419
• https://lists.debian.org/debian-lts-announce/2020/11/msg00049.html

• Information disclosure in libvips
• Ubuntu update for vips
• Fedora 32 update for vips