Apache Log4j JNDI message lookup vulnerability

Added: 12/16/2021 Background Apache Log4j is a logging library used by many Java applications. Problem An attacker who is able to control log message content could embed a JNDI reference to an LDAP or RMI URL which downloads an executable Java class, leading to arbitrary command execution...

Apache’s Fix for Log4Shell Can Lead to DoS Attacks

As if finding one easily exploited and extremely dangerous flaw in the ubiquitous Java logging library Apache Log4j hadn’t already turned the Internet security community on its ear, researchers now have found a new vulnerability in Apache’s patch issued to mitigate it. Last Thursday security...

CVE-2021-44228 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints

Apache Log4j2 2.0-beta9 through 2.15.0 excluding security releases 2.12.2, 2.12.3, and 2.3.1 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message...

PT-2021-5169

Name of the Vulnerable Software and Affected Versions Apache Log4j2 versions 2.0-beta9 through 2.15.0 Apache Log4j2 version 2.16.0 and later are not affected, as the vulnerable functionality has been completely removed. Description The vulnerability in Apache Log4j2 is related to the JNDI feature...

SUSE-SU-2021:2890-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: Update dovecot to version 2.3.15 jscSLE-19970: Security issues fixed: - CVE-2021-29157: Dovecot does not correctly escape kid and azp fields in JWT tokens. This may be used to supply attacker controlled keys to validate tokens, if attacker has...

Design/Logic Flaw

A vulnerability in Juniper Networks Junos OS caused by Missing Release of Memory after Effective Lifetime leads to a memory leak each time the CLI command 'show system connections extensive' is executed. The amount of memory leaked on each execution depends on the number of TCP connections from a...

fetchmail -- 6.4.19 and older denial of service or information disclosure

Matthias Andree reports: When a log message exceeds c. 2 kByte in size, for instance, with very long header contents, and depending on verbosity option, fetchmail can crash or misreport each first log message that requires a buffer reallocation...

SUSE: Security Advisory (SUSE-SU-2020:0331-1)

The remote host is missing an update for the 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...

Hotfix XS82E002 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. Information About this Hotfix Component| Details ---|--- Prerequisite| None Post-update tasks| Restart the XAPI Toolstack Content live patchable| No Baselines for Live Patch| N/A Revision History|...

Palo Alto Networks PAN-OS Log Message Disclosure Vulnerability (CNVD-2020-63187)

Palo Alto Networks PAN-OS is an operating system developed by Palo Alto Networks for its firewall appliances. Palo Alto Networks PAN-OS suffers from a log message disclosure vulnerability that stems from the fact that a proxy server's password may be displayed in plaintext when using the CLI,...

openGauss: Configuring the Client Log Message Level

The parameter clientminmessages specifies the level of messages to be sent to the client. The valid values include DEBUG5, DEBUG4, DEBUG3, DEBUG2, DEBUG1, LOG, NOTICE, WARNING, ERROR, FATAL, and PANIC. It must be NOTICE at least. After a level is selected, messages at this level and its lower...

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender prior to version 2.13.2. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender...

Juniper Networks Junos OS Evolved Log Message Disclosure Vulnerability

Juniper Networks Junos OS is a Juniper Networks network operating system designed for use with Juniper Networks hardware devices. The operating system provides a secure programming interface and the Junos SDK.Junos OS Evolved is an upgraded version of Junos OS. A log information disclosure...

SUSE SLED12 / SLES12 Security Update : systemd (SUSE-SU-2020:0331-1)

This update for systemd fixes the following issues : CVE-2020-1712 bscbsc1162108 Fix a heap use-after-free vulnerability, when asynchronous Polkit queries were performed while handling Dbus messages. A local unprivileged attacker could have abused this flaw to crash systemd services or potentiall...

CVE-2011-1490

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message...

CVE-2011-1489

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message...

systemd: out-of-bounds read when parsing a crafted syslog message

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data...

CVE-2019-17041

An issue was discovered in Rsyslog v8.1908.0. contrib/pmaixforwardedfrom/pmaixforwardedfrom.c has a heap overflow in the parser for AIX log messages. The parser tries to locate a log message delimiter in this case, a space or a colon but fails to account for strings that do not satisfy this...

CVE-2019-17042

An issue was discovered in Rsyslog v8.1908.0. contrib/pmcisconames/pmcisconames.c has a heap overflow in the parser for Cisco log messages. The parser tries to locate a log message delimiter in this case, a space or a colon, but fails to account for strings that do not satisfy this constraint. If...

CVE-2019-17041

CVE-2019-17041 affects rsyslog. Connected sources confirm a heap overflow in the AIX log-message parser (contrib/pmaixforwardedfrom/pmaixforwardedfrom.c). The overflow occurs when lenMsg underflows after parsing a delimiter, leading to a heap overflow via memmove. Public notes corroborate a fixed...