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CVE-2021-44142

Status Candidate

Overview

The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.

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
Red Hat Security Advisory 2022-0663-01
Posted Feb 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0663-01 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 24dda6271dda80c5868174e0e36df55396478a74dc320200b6051d3e05894fea
Red Hat Security Advisory 2022-0664-01
Posted Feb 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0664-01 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 9b25509fe631ffce124b1c6daf151996ea9dae6960cdb31b554da6529fc46fb4
Red Hat Security Advisory 2022-0457-03
Posted Feb 9, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0457-03 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 64411eada593bc896e3d275e5d96af5b3fbe57b58796ab16ca574c79f40cb65b
Red Hat Security Advisory 2022-0458-02
Posted Feb 9, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0458-02 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 731c570e9608cb93b13301749ba00f818c082c5a9caa05f9e8ef8e1027f4d2f3
Ubuntu Security Notice USN-5260-3
Posted Feb 3, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5260-3 - USN-5260-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. 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.

tags | advisory, remote, denial of service, arbitrary, root
systems | linux, ubuntu
advisories | CVE-2021-44142
SHA-256 | 2c75ee8163364bc261cc0476d7d873eba34c2b09d0ef92e3a26e8735310d5e88
Samba VFS Heap Out-Of-Bounds Read / Write
Posted Feb 2, 2022
Authored by Orange Tsai | Site samba.org

All versions of Samba prior to 4.13.17 are vulnerable to an out-of-bounds heap read write vulnerability that allows remote attackers to execute arbitrary code as root on affected Samba installations that use the VFS module vfs_fruit.

tags | advisory, remote, arbitrary, root
advisories | CVE-2021-44142
SHA-256 | 6ba7846654bf7c08a244dc803a03a08db25b7266912db0c581e64adf257781a6
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
Ubuntu Security Notice USN-5260-2
Posted Feb 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5260-2 - 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.

tags | advisory, remote, denial of service, arbitrary, root
systems | linux, ubuntu
advisories | CVE-2021-44142
SHA-256 | 69faabb25cfae22c65e81b78d83b23a53e6dc20c613861ebb9a20102dff021b1
Red Hat Security Advisory 2022-0331-02
Posted Feb 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0331-02 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | b8f30ccd23b3e0f66db6c5a7359357dd88cb0641e3f05cf3757237c4f4bfb800
Red Hat Security Advisory 2022-0330-03
Posted Feb 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0330-03 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | b2f254aa360d7b8861c19b3c476da577a3c2b4bb3cd562551bc6ea8e7aa9d2ea
Red Hat Security Advisory 2022-0328-03
Posted Feb 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0328-03 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 4243661bbd489d368993c4c81e920d82efc02d858a7a20ff23c8f9407c54ca1f
Red Hat Security Advisory 2022-0329-03
Posted Feb 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0329-03 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | aae3fdc17aec7fb3a0a2061effdd7bf6501d64cc49554d153cfa115981d9b7c8
Red Hat Security Advisory 2022-0332-02
Posted Feb 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0332-02 - 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 code execution vulnerability.

tags | advisory, code execution, protocol
systems | linux, redhat
advisories | CVE-2021-44142
SHA-256 | 2fa894567eb4210f09e0e50a2f5c5bfd6dac89b01f090048afe409dda2e1a233
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