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CVE-2020-14318

Status Candidate

Overview

A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker.

Related Files

Ubuntu Security Notice USN-4931-1
Posted May 4, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4931-1 - Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use this issue to cause winbind to crash, resulting in a denial of service. Francis Brosnan Blázquez discovered that Samba incorrectly handled certain invalid DNS records. A remote attacker could possibly use this issue to cause the DNS server to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-14318, CVE-2020-14323, CVE-2020-14383, CVE-2021-20254
MD5 | 286abb281e576ae65c0aec49bfe9eddc
Gentoo Linux Security Advisory 202012-24
Posted Dec 24, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-24 - Multiple vulnerabilities have been found in Samba, the worst of which could result in a Denial of Service condition. Versions less than 4.12.9 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-14318, CVE-2020-14323, CVE-2020-14383, CVE-2020-1472
MD5 | 5bb991544b7b094ea08997f5d5fa0908
Red Hat Security Advisory 2020-5439-01
Posted Dec 15, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5439-01 - Samba is an open-source implementation of the Server Message Block protocol and the related Common Internet File System protocol, which allow PC-compatible machines to share files, printers, and various information. Issues addressed include a memory leak vulnerability.

tags | advisory, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-14318, CVE-2020-14323, CVE-2020-1472
MD5 | 09ad68c5da84561a3ab39c5abc59b5c7
Ubuntu Security Notice USN-4611-1
Posted Nov 2, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4611-1 - Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use this issue to cause winbind to crash, resulting in a denial of service. Francis Brosnan Blázquez discovered that Samba incorrectly handled certain invalid DNS records. A remote attacker could possibly use this issue to cause the DNS server to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-14318, CVE-2020-14323, CVE-2020-14383
MD5 | 47e6b47eeae24d5bb1467b3b35282526
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