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Ubuntu 20.04 LTS: USN-4470-1 Critical: Sane-Backends Memory Issues

ubuntu
Calendar Grey August 24, 2020
Dist Ubuntu Esm H88
Enhancements resolving multiple vulnerabilities in sane-backends for Ubuntu versions 16.04, 18.04, and 20.04 LTS distributions.
Several security issues were fixed in sane-backends.

Summary

Several security issues were fixed in sane-backends.

Software Description:

- sane-backends: None

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 could possibly use this issue to obtain

sensitive information. This issue only a...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory remote code execution DoS Ubuntu sane-backends memory operations

Update Instructions

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

Ubuntu 20.04 LTS:
  libsane1                        1.0.29-0ubuntu5.1

Ubuntu 18.04 LTS:
  libsane1                        1.0.27-1~experimental3ubuntu2.3

Ubuntu 16.04 LTS:
  libsane                         1.0.25+git20150528-1ubuntu2.16.04.3

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

References

https://ubuntu.com/security/notices/USN-4470-1

CVE-2017-6318, CVE-2020-12861, CVE-2020-12862, CVE-2020-12863,

CVE-2020-12864, CVE-2020-12865, CVE-2020-12866, CVE-2020-12867

Severity
critical
Lowest
Low
Medium
High
Critical

August 24, 2020

Topics%20covered

Topics Covered

security advisory remote code execution DoS Ubuntu sane-backends memory operations

Package Information

https://launchpad.net/ubuntu/+source/sane-backends/1.0.29-0ubuntu5.1
https://launchpad.net/ubuntu/+source/sane-backends/1.0.27-1~experimental3ubuntu2.3
https://launchpad.net/ubuntu/+source/sane-backends/1.0.25+git20150528-1ubuntu2.16.04.3

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