Input validation error in SANE Backends - CVE-2020-12861

 

Input validation error in SANE Backends - CVE-2020-12861

Published: May 20, 2020


Vulnerability identifier: #VU28100
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-12861
CWE-ID: CWE-20
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 insufficient validation of user-supplied input within the epsonds component in SANE Backends. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

SANE Backends
sane (Alpine package)
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
sane-backends (Red Hat package)
sane-backends
sane-backends-help
sane-backends-debugsource
sane-backends-drivers-cameras
sane-backends-drivers-scanners
sane-backends-debuginfo
sane-backends-devel
sane-backends-libs
sane-backends-daemon
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Slackware Linux
Opensuse
openEuler

How to mitigate CVE-2020-12861

Install updates from vendor's website.

SANE Backends - update to 1.0.30
sane (Alpine package) - update to 1.0.31-r0
sane-backends (Red Hat package) - addressed in versions 1.0.27-19.el8_0.1, 1.0.27-19.el8_1.1, 1.0.27-19.el8_2.1
sane-backends - update to 1.0.28-7
sane-backends-help - update to 1.0.28-7
sane-backends-debugsource - update to 1.0.28-7
sane-backends-drivers-cameras - update to 1.0.28-7
sane-backends-drivers-scanners - update to 1.0.28-7
sane-backends-debuginfo - update to 1.0.28-7
sane-backends-devel - update to 1.0.28-7
sane-backends-libs - update to 1.0.28-7
sane-backends-daemon - update to 1.0.28-7

External References

Related Security Bulletins