CVE-2021-26720

CVE-2021-26720 affects the Debian avahi package (up to 0.8-4). The issue arises from avahi-daemon-check-dns.sh being executed with root privileges via /etc/network/if-up.d/avahi-daemon, enabling a local attacker to cause denial of service or create arbitrary empty files through a symlink attack o...

CVE-2021-26720

avahi-daemon-check-dns.sh in the Debian avahi package through 0.8-4 is executed as root via /etc/network/if-up.d/avahi-daemon, and allows a local attacker to cause a denial of service or create arbitrary empty files via a symlink attack on files under /run/avahi-daemon. NOTE: this only affects th...

CVE-2021-26720

avahi-daemon-check-dns.sh in the Debian avahi package through 0.8-4 is executed as root via /etc/network/if-up.d/avahi-daemon, and allows a local attacker to cause a denial of service or create arbitrary empty files via a symlink attack on files under /run/avahi-daemon. NOTE: this only affects th...

Debian DLA-2556-1 : unbound1.9 security update

Several security vulnerabilities have been corrected in unbound, a validating, recursive, caching DNS resolver. Support for the unbound DNS server has been resumed, the sources can be found in the unbound1.9 source package. CVE-2020-12662 Unbound has Insufficient Control of Network Message Volume...

Directory Traversal

busybox is vulnerable to directory traversal. A remote attacker is able to perform a symlink attack to gain access to files outside of the current working directory...

PT-2021-7394 · Debian +2 · Avahi +2

Name of the Vulnerable Software and Affected Versions: avahi-daemon-check-dns.sh in the Debian avahi package through 0.8-4 Description: The issue is related to the execution of avahi-daemon-check-dns.sh as root via /etc/network/if-up.d/avahi-daemon, allowing a local attacker to cause a denial of...

Debian: Security Advisory (DLA-2556-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] [DLA 2556-1] unbound1.9 security update

Debian LTS Advisory DLA-2556-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany February 12, 2021 https://wiki.debian.org/LTS Package : unbound1.9 Version : 1.9.0-2+deb10u2deb9u1 CVE ID : CVE-2020-12662 CVE-2020-12663 CVE-2020-28935 Debian Bug : 977165 Several...

Huawei EulerOS: Security Advisory for chrony (EulerOS-SA-2021-1182)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP8 : unbound (EulerOS-SA-2021-1176)

According to the version of the unbound packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - NLnet Labs Unbound, up to and including version 1.12.0, and NLnet Labs NSD, up to and including version 4.3.3, contain a local vulnerability that...

CentOS 8 : oddjob (CESA-2020:4687)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:4687 advisory. - oddjob: race condition in oddjobselinuxmkdir function in mkhomedir.c can lead to symlink attack CVE-2020-10737 Note that Nessus has not tested for this issue...

NSD: Symbolic link traversal

Background An authoritative only, high performance, open source name server Description A local vulnerability was discovered that would allow for a local symlink attack due to how NSD handles PID files. Impact A local attacker could cause a Denial of Service condition. Workaround There is no know...

openSUSE Security Update : sudo (openSUSE-2021-170)

This update for sudo fixes the following issues : - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

openSUSE Security Update : sudo (openSUSE-2021-169)

This update for sudo fixes the following issues : - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

OPENSUSE-SU-2021:0169-1 Security update for sudo

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

Security update for sudo (important)

openSUSE Security Update: Security update for sudo Announcement ID: openSUSE-SU-2021:0169-1 Rating: important References: 1180684 1180685 1180687 1181090 Cross-References: CVE-2021-23239 CVE-2021-23240 CVE-2021-3156 Affected Products: openSUSE Leap 15.1 An update that solves three vulnerabilities...

SUSE SLES12 Security Update : sudo (SUSE-SU-2021:0226-1)

This update for sudo fixes the following issues : A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

Security update for sudo (important)

openSUSE Security Update: Security update for sudo Announcement ID: openSUSE-SU-2021:0170-1 Rating: important References: 1180684 1180685 1180687 1181090 Cross-References: CVE-2021-23239 CVE-2021-23240 CVE-2021-3156 Affected Products: openSUSE Leap 15.2 An update that solves three vulnerabilities...

SUSE SLED15 / SLES15 Security Update : sudo (SUSE-SU-2021:0227-1)

This update for sudo fixes the following issues : A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

SUSE SLES12 Security Update : sudo (SUSE-SU-2021:0225-1)

This update for sudo fixes the following issues : A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...