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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 : sane-backends vulnerabilities (USN-4470-1)

Description

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). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


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