Out-of-bounds read in SANE Backends - CVE-2020-12863

Vulnerability identifier: #VU28097

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-2020-12863

CWE-ID: CWE-125

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 a boundary condition within epsonds component in SANE Backends. A remote attacker can  trigger out-of-bounds read error and read contents of memory on the system.

SANE Backends
sane (Alpine package)
sane-backends
sane-backends-devel
sane-backends-daemon
sane-backends-drivers-scanners
sane-backends-debuginfo
sane-backends-drivers-cameras
sane-backends-debugsource
sane-backends-libs
sane-backends-help
Slackware Linux
Opensuse
openEuler

Install updates from vendor's website.

SANE Backends - update to 1.0.30
sane (Alpine package) - update to 1.0.31-r0
sane-backends - update to 1.0.28-11
sane-backends-devel - update to 1.0.28-11
sane-backends-daemon - update to 1.0.28-11
sane-backends-drivers-scanners - update to 1.0.28-11
sane-backends-debuginfo - update to 1.0.28-11
sane-backends-drivers-cameras - update to 1.0.28-11
sane-backends-debugsource - update to 1.0.28-11
sane-backends-libs - update to 1.0.28-11
sane-backends-help - update to 1.0.28-11

• https://gitlab.com/sane-project/backends/-/releases/1.0.30

• Multiple vulnerabilities in SANE Backends
• Slackware Linux update for sane
• OpenSUSE Linux update for sane-backends
• OpenSUSE Linux update for sane-backends
• Out-of-bounds read in sane (Alpine package)
• openEuler update for sane-backends