Vulnerability Name:

CVE-2011-1489 (CCN-66609)

Assigned:2011-03-03
Published:2011-03-03
Updated:2020-08-18
Summary: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 v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-772
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: Adiscon Bugzilla Bug 226
memory leak when using multiple rulesets

Source: MITRE
Type: CNA
CVE-2011-1489

Source: MISC
Type: Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html

Source: CCN
Type: SA44053
rsyslog Memory Leak Denial of Service Weaknesses

Source: CCN
Type: OSVDB ID: 75191
rsyslog Multiple Ruleset Message Handling Memory Exhaustion Local DoS (2011-1489)

Source: CCN
Type: rsyslog Web Site
Changelog for 5.6.4 (v5-stable)

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://access.redhat.com/security/cve/cve-2011-1489

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1489

Source: XF
Type: UNKNOWN
rsyslog-ruleset-dos(66609)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a

Source: MISC
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-1489

Source: SUSE
Type: SUSE-SR:2011:007
SUSE Security Summary Report

Vulnerable Configuration:Configuration 1:
  • cpe:/a:rsyslog:rsyslog:*:*:*:*:*:*:*:* (Version < 5.7.6)

    • Configuration 2:
  • cpe:/o:opensuse:opensuse:11.4:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:rsyslog:rsyslog:5.6.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20111489
    V
    		CVE-2011-1489
    2022-09-02
    oval:com.ubuntu.precise:def:20111489000
    V
    		CVE-2011-1489 on Ubuntu 12.04 LTS (precise) - low.
    2011-04-04
    oval:com.ubuntu.trusty:def:20111489000
    V
    		CVE-2011-1489 on Ubuntu 14.04 LTS (trusty) - low.
    2011-04-04
    BACK
    rsyslog rsyslog *
    opensuse opensuse 11.4
    debian debian linux 8.0
    debian debian linux 9.0
    debian debian linux 10.0
    rsyslog rsyslog 5.6.0