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CVE-2020-10704

Status Candidate

Overview

A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.

Related Files

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
Ubuntu Security Notice USN-4341-2
Posted Apr 30, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4341-2 - USN-4341-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could possibly use this issue to cause Samba to consume resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-10704
SHA-256 | cf8b3bc98db68908faed126f6a60515162e686741503ec4b9c08ea4a294cc51b
Ubuntu Security Notice USN-4341-3
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4341-3 - USN-4341-1 fixed vulnerabilities in Samba. The updated packages for Ubuntu 16.04 LTS introduced a regression when using LDAP. This update fixes the problem. It was discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could possibly use this issue to cause Samba to consume resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-10704
SHA-256 | 0e47586447fc86381469e18fba418d8b2b981dd8a8da9c30febbacb3a3cb20bc
Ubuntu Security Notice USN-4341-1
Posted Apr 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4341-1 - Andrei Popa 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 19.10 and Ubuntu 20.04 LTS. It was discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could possibly use this issue to cause Samba to consume resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-10700, CVE-2020-10704
SHA-256 | 3de93092c48ac7efcf93e88cb01b80523ceec942bb7a0edc449084aa573072c1
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