Advisory ROSA-SA-2021-1807

Software: avahi 0.6.31 OS: Cobalt 7.9 CVE-ID: CVE-2021-26720 CVE-Crit: HIGH CVE-DESC: avahi-daemon-check-dns.sh in the Debian avahi package prior to version 0.8-4 is executed as root user via /etc/network/if-up.d/avahi-daemon and allows a local attacker to cause a denial of service or create...

CentOS 8 : sudo (CESA-2021:1723)

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:1723 advisory. - sudo: possible directory existence test due to race condition in sudoedit CVE-2021-23239 - sudo: symbolic link attack in SELinux-enabled sudoedit...

Low: sudo security and bug fix update

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fixes: sudo: symbolic link attack in SELinux-enabled...

CVE-2020-28007

Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory owned by a non-root user, a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem...

CVE-2020-28007

Exim 4.x prior to 4.94.2 is affected by CVE-2020-28007, which allows local privilege escalation by exploiting a symlink/hard-link attack in the log directory where Exim runs as root and the directory is owned by a non-root user. The root-owned files can be overwritten from a local attacker, enabl...

CVE-2020-28007

Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory owned by a non-root user, a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem...

EulerOS Virtualization for ARM 64 3.0.2.0 : policycoreutils (EulerOS-SA-2021-1395)

According to the version of the policycoreutils packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged maliciou...

Huawei EulerOS: Security Advisory for policycoreutils (EulerOS-SA-2021-1395)

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...

Debian avahi backlink vulnerability

Avahi is a set of local service discovery tools for Linux. A back-linking vulnerability exists in Debian avahi and allows a local attacker to cause a denial of service or create arbitrary empty files via a symbolic link attack on files under /run/avahi-daemon...

Digi ConnectPort Backlink Vulnerability

Digi ConnectPort is a server from Digi ConnectPort Digi USA, Inc. It provides wireless communication. A security vulnerability exists in Digi ConnectPort X2e before 3.2.30.6, which allows an attacker to exploit the vulnerability to escalate the privileges of a python user to root via a symbolic...

Updated policycoreutils packages fix a security vulnerability

Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taking SELinux state...

Cisco Webex Meetings 输入验证错误漏洞

Cisco Webex Meetings provides affordable enterprise virtual meeting solutions. An open redirect vulnerability exists in the Web management interface of Cisco Webex Meetings. The vulnerability stems from improper validation of the input of URL parameters in an HTTP request. An attacker could explo...

OpenDKIM Elevation of Privilege Vulnerability

Opendkim is a C-based software for DKIM sender authentication system organized by Opendkim. An elevation of privilege vulnerability exists in OpenDKIM version 2.10.3 and prior versions, which stems from a failure of a properly programmed call to a high-level local procedure, whereby a local user...

BookStack Injection Vulnerability

BookStack is an open source platform for building wiki documentation using PHP and Laravel from the BookStackApp Bookstackapp team. BookStack suffers from a security vulnerability that stems from the fact that in BookStack prior to version 0.30.5, users with edit page permissions could set up the...

Unbound Backlink Vulnerability

Unbound is a DNS resolver from the NLnet Labs Nlnet Labs Foundation in the Netherlands that supports verified recursion and caching. A security vulnerability exists in NLnet Labs Unbound version 1.12.0 and earlier and NLnet Labs NSD version 4.3.3 and earlier that allows a local symbolic link...

Arbitrary File Write

LPRng is vulnerable to arbitrary file write. A local unauthenticated attacker could overwrite arbitrary files via a symbolic link attack on the /tmp/before file of the psbanner component...

Trend Micro Security 2020 Local Elevation of Privilege Vulnerability (CNVD-2020-73786)

Trend Micro Security 2020 is a suite of computer security protection software from Trend Micro. Trend Micro Security 2020 Consumer has a security vulnerability that can be exploited by an attacker by placing a malicious DLL in an unprotected location and high privileges symbolic link attack, whic...

Cisco Webex Meetings 跨站脚本漏洞

Cisco Webex Meetings provides affordable enterprise virtual meeting solutions. A cross-site scripting vulnerability exists in the API in Cisco Webex Meetings. The vulnerability stems from improper validation of user input provided to the application programming interface API. An attacker could...

Trend Micro Security 2020 后置链接漏洞

Trend Micro Security 2020 is a suite of computer security protection software from Trend Micro. Trend Micro Security 2020 Consumer has a security vulnerability that can be exploited by an attacker by placing a malicious DLL in an unprotected location and high privileges symbolic link attack, whic...

GBase 8s database suffers from a power lift vulnerability (CNVD-2020-65125)

GBase 8s is a secure database management system with full intellectual property rights. GBase 8s database suffers from a power lifting vulnerability, which can be exploited by attackers to gain root privileges via symbolic link attack...