1. Ubuntu Security Notices
  2. USN-4470-1

USN-4470-1: sane-backends vulnerabilities

Publication date

24 August 2020

Overview

Several security issues were fixed in sane-backends.

Releases

Packages

Details

Kritphong Mongkhonvanit discovered that sane-backends incorrectly handled
certain packets. A remote attacker could possibly use this issue to obtain
sensitive memory information. This issue only affected Ubuntu 16.04 LTS.
(CVE-2017-6318)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to execute
arbitrary code. This issue only applied to Ubuntu 18.04 LTS and Ubuntu
20.04 LTS. (CVE-2020-12861)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to obtain
sensitive information. (CVE-2020-12862, CVE-2020-12863)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker...

Kritphong Mongkhonvanit discovered that sane-backends incorrectly handled
certain packets. A remote attacker could possibly use this issue to obtain
sensitive memory information. This issue only affected Ubuntu 16.04 LTS.
(CVE-2017-6318)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to execute
arbitrary code. This issue only applied to Ubuntu 18.04 LTS and Ubuntu
20.04 LTS. (CVE-2020-12861)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to obtain
sensitive information. (CVE-2020-12862, CVE-2020-12863)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to obtain
sensitive information. This issue only applied to Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-12864)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to execute
arbitrary code. (CVE-2020-12865)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause a
denial of service. This issue only applied to Ubuntu 18.04 LTS and Ubuntu
20.04 LTS. (CVE-2020-12866)

It was discovered that sane-backends incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2020-12867)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal libsane1 –  1.0.29-0ubuntu5.1
18.04 bionic libsane1 –  1.0.27-1~experimental3ubuntu2.3
16.04 xenial libsane –  1.0.25+git20150528-1ubuntu2.16.04.3

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References

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