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CVE-2018-16881

rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled

A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.

CVSS 3.1 · 7.5 High EPSS 2.2% KEV · Not listed
Vendors
Debian Redhat Rsyslog
Products
Debian Linux Enterprise Linux Enterprise Linux Desktop and 11 more
CVE-2018-1000140

librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c

rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.

CVSS 3.0 · 9.8 Critical EPSS 9.3% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Enterprise Linux and 11 more
CVE-2011-1490

rsyslog: Memory leak when multiple rulesets used

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 belonging to more than one ruleset

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Opensuse Rsyslog
Products
Debian Linux Opensuse Rsyslog
CVE-2011-1489

rsyslog: Memory leak when multiple rulesets used

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 belonging to more than one ruleset.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Opensuse Rsyslog
Products
Debian Linux Opensuse Rsyslog
CVE-2011-1488

rsyslog: Memory leak when $RepeatedMsgReduction turned on

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon service by crashing the service via a sequence of repeated log messages sent within short periods of time.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Opensuse Rsyslog
Products
Debian Linux Opensuse Rsyslog