First published: Sun Nov 02 2014(Updated: )
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.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
Ubuntu Rsyslog | <=7.6.6 | |
Ubuntu Rsyslog | =8.1.0 | |
Ubuntu Rsyslog | =8.1.1 | |
Ubuntu Rsyslog | =8.1.2 | |
Ubuntu Rsyslog | =8.1.3 | |
Ubuntu Rsyslog | =8.1.4 | |
Ubuntu Rsyslog | =8.1.5 | |
Ubuntu Rsyslog | =8.1.6 | |
Ubuntu Rsyslog | =8.2.0 | |
Ubuntu Rsyslog | =8.2.1 | |
Ubuntu Rsyslog | =8.2.2 | |
Ubuntu Rsyslog | =8.2.3 | |
Ubuntu Rsyslog | =8.3.0 | |
Ubuntu Rsyslog | =8.3.1 | |
Ubuntu Rsyslog | =8.3.2 | |
Ubuntu Rsyslog | =8.3.3 | |
Ubuntu Rsyslog | =8.3.4 | |
Ubuntu Rsyslog | =8.3.5 | |
Ubuntu Rsyslog | =8.4.0 | |
Ubuntu Rsyslog | =8.4.1 | |
Sysklogd Project Sysklogd | <=1.5 | |
Sysklogd Project Sysklogd | =1.1 | |
Sysklogd Project Sysklogd | =1.2 | |
Sysklogd Project Sysklogd | =1.3 | |
Sysklogd Project Sysklogd | =1.4 | |
Sysklogd Project Sysklogd | =1.4.1 |
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CVE-2014-3683 has a severity rating that can lead to denial of service due to integer overflow.
To fix CVE-2014-3683, upgrade to Rsyslog versions 7.6.7 or higher and 8.4.2 or higher, or update Sysklogd to version 1.5 or later.
CVE-2014-3683 affects Rsyslog versions up to 7.6.6 and 8.x versions up to 8.4.1, as well as Sysklogd 1.5 and earlier.
Yes, CVE-2014-3683 can be exploited remotely by attackers sending large priority values.
Exploitation of CVE-2014-3683 may lead to crashes of the affected logging services, resulting in loss of logging functionality.