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CVE-2021-31439

Status Candidate

Overview

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.

Related Files

Gentoo Linux Security Advisory 202311-02
Posted Nov 13, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202311-2 - Multiple vulnerabilities have been discovered in Netatalk, which could lead to remote code execution Versions greater than or equal to 3.1.18 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-31439, CVE-2022-0194, CVE-2022-22995, CVE-2022-23121, CVE-2022-23122, CVE-2022-23123, CVE-2022-23124, CVE-2022-23125, CVE-2022-45188
SHA-256 | 3687fbcff94cb1bbeaceabbe41b00d5ee9b888089068ad7eb0a75654d3861d85
Debian Security Advisory 5503-1
Posted Sep 21, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5503-1 - Multiple security issues were discovered in Netatalk, an implementation of the Apple Filing Protocol (AFP) for offering file service (mainly) to macOS clients, which may result in the execution of arbitrary code or information disclosure.

tags | advisory, arbitrary, protocol, info disclosure
systems | linux, debian, apple
advisories | CVE-2021-31439, CVE-2022-0194, CVE-2022-23121, CVE-2022-23122, CVE-2022-23123, CVE-2022-23124, CVE-2022-23125, CVE-2022-43634, CVE-2022-45188, CVE-2023-42464
SHA-256 | 3ad19cdf2f3e4a2e4515cadb2985e91ea06909ebbd3aa9ef44bfbdc77aef9dab
Ubuntu Security Notice USN-6146-1
Posted Jun 8, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6146-1 - It was discovered that Netatalk did not properly validate the length of user-supplied data in the DSI structures. A remote attacker could possibly use this issue to execute arbitrary code with the privileges of the user invoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. It was discovered that Netatalk did not properly validate the length of user-supplied data in the ad_addcomment function. A remote attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.

tags | advisory, remote, arbitrary, root
systems | linux, ubuntu
advisories | CVE-2021-31439, CVE-2022-0194, CVE-2022-23121, CVE-2022-23122, CVE-2022-23123, CVE-2022-23124, CVE-2022-23125, CVE-2022-43634, CVE-2022-45188
SHA-256 | 0a3668c0e69cd8ae683363baf9ba82938a5c5b1456134e2145fda35db4ca4ee9
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