openEuler 20.03 LTS update for sane-backends

1) Input validation error

EUVDB-ID: #VU28100

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-12861

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

sane-backends-daemon: before 1.0.28-7

sane-backends-libs: before 1.0.28-7

sane-backends-devel: before 1.0.28-7

sane-backends-debuginfo: before 1.0.28-7

sane-backends-drivers-scanners: before 1.0.28-7

sane-backends-drivers-cameras: before 1.0.28-7

sane-backends-debugsource: before 1.0.28-7

sane-backends-help: before 1.0.28-7

sane-backends: before 1.0.28-7

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1107

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.