SYSLOG: RSYSLOG PRI Parsing Remote Denial of Service

This signature detects attempts to exploit a known vulnerability against rsyslog. A successful attack can result in a denial-of-service condition.

Extended Description

Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash) via a large priority (PRI) value. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3634.

Affected Products

Rsyslog rsyslog

References

CVE: CVE-2014-3683

Short Name
SYSLOG:PRI-PARSING-DOS
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
SYSLOG
Keywords
CVE-2014-3683 Denial PRI Parsing RSYSLOG Remote Service of
Release Date
12/03/2014
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3336
False Positive
Unknown
Vendors

Sysklogd_project

Rsyslog

CVSS Score

5.0

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