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CVE-2020-10730

Status Candidate

Overview

A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Related Files

Debian Security Advisory 4884-1
Posted Apr 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4884-1 - Multiple vulnerabilities have been discovered in ldb, a LDAP-like embedded database built on top of TDB.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2020-10730, CVE-2020-27840, CVE-2021-20277
SHA-256 | c3a33b4c07f5fde2dde893faaf3574e6b961a8454fd101f414eb42a540ea80e7
Red Hat Security Advisory 2020-4568-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4568-01 - The libldb packages provide an extensible library that implements an LDAP-like API to access remote LDAP servers, or use local TDB databases. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, remote, local, vulnerability
systems | linux, redhat
advisories | CVE-2020-10730
SHA-256 | 939325cb709cbd82f5c2e2448e23f10167d77d7b0b38b7a9947552e5658377f8
Gentoo Linux Security Advisory 202007-15
Posted Jul 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-15 - Multiple vulnerabilities have been found in Samba, the worst of which could result in a Denial of Service condition. Versions less than 4.11.11 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-10700, CVE-2020-10704, CVE-2020-10730, CVE-2020-10745, CVE-2020-10760, CVE-2020-14303
SHA-256 | 4275bc4d2348b810536150599cc7e3695e2139fbb81de4b8d249fec185fef22e
Red Hat Security Advisory 2020-3118-01
Posted Jul 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3118-01 - Samba is an open-source implementation of the Server Message Block protocol and the related Common Internet File System protocol, which allows PC-compatible machines to share files, printers, and various information. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-10730
SHA-256 | 2fab0ac15956ce9836beab8eddf7f9e7e829e49cf8e1cbe162dfecf7982d7ad6
Red Hat Security Advisory 2020-3119-01
Posted Jul 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3119-01 - 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 null pointer and use-after-free vulnerabilities.

tags | advisory, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-10730
SHA-256 | 676dddcd89d65ac6055af4de6712adb1179a0a0ccdcd5803bcc4f8d10979d3c4
Ubuntu Security Notice USN-4409-1
Posted Jul 2, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4409-1 - Andrew Bartlett discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS. Douglas Bagnall discovered that Samba incorrectly handled certain queries. A remote attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-10730, CVE-2020-10745, CVE-2020-10760
SHA-256 | 4924b1a19dd6a621e54d404d4a685266e56a5f2ab5c765d8c6c670cc4f44855b
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