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CVE-2021-3546

Status Candidate

Overview

An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.

Related Files

Ubuntu Security Notice USN-5307-1
Posted Feb 28, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5307-1 - Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Gaoning Pan discovered that the QEMU vmxnet3 NIC emulator incorrectly handled certain values. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. It was discovered that the QEMU vhost-user GPU device contained several security issues. An attacker inside the guest could use these issues to cause QEMU to crash, resulting in a denial of service, leak sensitive information, or possibly execute arbitrary code. This issue only affected Ubuntu 21.10.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-20196, CVE-2021-20203, CVE-2021-3546, CVE-2021-3682, CVE-2021-3713, CVE-2021-3748, CVE-2021-3930, CVE-2021-4158, CVE-2022-0358
SHA-256 | 93c74c6aff190d655abe77b615cbb1fdb9e7fd27501547e3980eeee5e03af9e9
Debian Security Advisory 4980-1
Posted Oct 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4980-1 - Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service or the the execution of arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2021-3544, CVE-2021-3545, CVE-2021-3546, CVE-2021-3638, CVE-2021-3682, CVE-2021-3713, CVE-2021-3748
SHA-256 | ddc750d896a05a7739ac3c32ccc088274d91a7af3ee492e2f13ec7ec5e11244b
ForgeRock Access Manager/OpenAM 14.6.3 Remote Code Execution
Posted Jul 16, 2021
Authored by Photubias

ForgeRock Access Manager/OpenAM version 14.6.3 unauthenticated remote code execution exploit.

tags | exploit, remote, code execution
advisories | CVE-2021-35464
SHA-256 | 7ded60e2fee61f85ac83d872fdce902efaac80f0e0a44bbbf62f99b5b122d9e6
Ubuntu Security Notice USN-5010-1
Posted Jul 15, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5010-1 - Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 21.04. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2020-15469, CVE-2020-29443, CVE-2020-35505, CVE-2020-35517, CVE-2021-20221, CVE-2021-20257, CVE-2021-3392, CVE-2021-3409, CVE-2021-3416, CVE-2021-3527, CVE-2021-3544, CVE-2021-3545, CVE-2021-3546, CVE-2021-3593, CVE-2021-3594, CVE-2021-3595, CVE-2021-3608
SHA-256 | c4d63dc41ceb7caa0f49a3eacc4d8caaa17252efd4913df4a83ba610c5446f40
ForgeRock / OpenAM Jato Java Deserialization
Posted Jul 13, 2021
Authored by Spencer McIntyre, Michael Stepankin, bwatters-r7, jheysel-r7 | Site metasploit.com

This Metasploit module leverages a pre-authentication remote code execution vulnerability in the OpenAM identity and access management solution. The vulnerability arises from a Java deserialization flaw in OpenAM's implementation of the Jato framework and can be triggered by a simple one-line GET or POST request to a vulnerable endpoint. Successful exploitation yields code execution on the target system as the service user. This vulnerability also affects the ForgeRock identity platform which is built on top of OpenAM and thus is susceptible to the same issue.

tags | exploit, java, remote, code execution
advisories | CVE-2021-35464
SHA-256 | 7ab7e165e1eabb4c0774d5b02fa501308e44a10ac91af40c1b4ed6a62fc60ca6
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