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CVE-2022-0336

Status Candidate

Overview

The Samba AD DC includes checks when adding service principals names (SPNs) to an account to ensure that SPNs do not alias with those already in the database. Some of these checks are able to be bypassed if an account modification re-adds an SPN that was previously present on that account, such as one added when a computer is joined to a domain. An attacker who has the ability to write to an account can exploit this to perform a denial-of-service attack by adding an SPN that matches an existing service. Additionally, an attacker who can intercept traffic can impersonate existing services, resulting in a loss of confidentiality and integrity.

Related Files

Debian Security Advisory 5071-1: Posted Feb 28, 2022; Authored by Debian | Site debian.org; Debian Linux Security Advisory 5071-1 - Several vulnerabilities were discovered in Samba, a SMB/CIFS file, print, and login server for Unix.; tags | advisory, vulnerability; systems | linux, unix, debian; advisories | CVE-2021-44142, CVE-2022-0336; SHA-256 | c65ef5714b1203bc675e8b5399a8cb9046a4536959aeacea4b226f71b4957cce; Download | Favorite | View

Ubuntu Security Notice USN-5260-1: Posted Feb 1, 2022; Authored by Ubuntu | Site security.ubuntu.com; Ubuntu Security Notice 5260-1 - Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled certain memory operations. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code as root. Michael Hanselmann discovered that Samba incorrectly created directories. In certain configurations, a remote attacker could possibly create a directory on the server outside of the shared directory.; tags | advisory, remote, denial of service, arbitrary, root; systems | linux, ubuntu; advisories | CVE-2021-43566, CVE-2021-44142, CVE-2022-0336; SHA-256 | 1150766a9f5acaee9066e266cb394d5fcb11a48e64845279538c22bdac77ac58; Download | Favorite | View

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CVE-2022-0336

Overview

Related Files

File Archive:

September 2024

Top Authors In Last 30 Days

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