VDB-145560 · CVE-2011-1489 · OSVDB 75191

rsyslog up to 5.7.5 Daemon Log Message release of resource

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability, which was classified as problematic, was found in rsyslog up to 5.7.5. Affected is some unknown functionality of the component Daemon. The manipulation as part of a Log Message leads to a release of resource vulnerability. CWE is classifying the issue as CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. This is going to have an impact on availability. CVE summarizes:

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.

The bug was discovered 03/03/2011. The weakness was published 11/14/2019. This vulnerability is traded as CVE-2011-1489 since 03/21/2011. The attack needs to be approached locally. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 76012 (openSUSE Security Update : rsyslog (openSUSE-SU-2011:0326-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l.

Upgrading to version 5.7.6 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (76012). Similar entries are available at 145559 and 145561.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / CWE-400 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76012
Nessus Name: openSUSE Security Update : rsyslog (openSUSE-SU-2011:0326-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: rsyslog 5.7.6
Patch: github.com

Timelineinfo

03/03/2011 🔍
03/21/2011 +18 days 🔍
03/25/2011 +4 days 🔍
06/13/2014 +1176 days 🔍
11/14/2019 +1980 days 🔍
11/15/2019 +1 days 🔍
02/14/2024 +1552 days 🔍

Sourcesinfo

Advisory: 1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a
Status: Not defined

CVE: CVE-2011-1489 (🔍)
OSVDB: 75191

See also: 🔍

Entryinfo

Created: 11/15/2019 06:59
Updated: 02/14/2024 09:00
Changes: 11/15/2019 06:59 (43), 11/15/2019 07:04 (23), 02/14/2024 09:00 (6)
Complete: 🔍

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