5.5
MEDIUM
CVE-2011-1488
Rsyslog Repeated Msg Reduction Memory Leak Denial of Service
Description

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.

INFO

Published Date :

Nov. 14, 2019, 2:15 a.m.

Last Modified :

Nov. 21, 2024, 1:26 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2011-1488 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Rsyslog rsyslog
1 Opensuse opensuse
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-1488 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-1488 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html
    Added Reference https://access.redhat.com/security/cve/cve-2011-1488
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488
    Added Reference https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a
    Added Reference https://security-tracker.debian.org/tracker/CVE-2011-1488
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 18, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 19, 2019

    Action Type Old Value New Value
    Added Reference https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 18, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html Mailing List, Third Party Advisory
    Changed Reference Type https://access.redhat.com/security/cve/cve-2011-1488 No Types Assigned https://access.redhat.com/security/cve/cve-2011-1488 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2011-1488 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2011-1488 Third Party Advisory
    Added CWE NIST CWE-772
    Added CPE Configuration OR *cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:* versions up to (excluding) 5.7.6
    Added CPE Configuration OR *cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-1488 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2011-1488 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
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