OSSEC-HIDS up to 3.5.0 Log Server out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in OSSEC-HIDS up to 3.5.0 and classified as critical. The impacted element is an unknown function of the component Log Server. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-8442. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in OSSEC-HIDS up to 3.5.0. It has been rated as critical. Affected by this issue is an unknown code of the component Log Server. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.

The weakness was disclosed 01/30/2020. This vulnerability is handled as CVE-2020-8442 since 01/30/2020. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-149556, VDB-149555, VDB-149554 and VDB-149553 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2020 🔍
01/30/2020 +0 days 🔍
01/30/2020 +0 days 🔍
03/27/2024 +1518 days 🔍

Sourcesinfo

Advisory: 1820
Status: Not defined

CVE: CVE-2020-8442 (🔍)
GCVE (CVE): GCVE-0-2020-8442
GCVE (VulDB): GCVE-100-149552
See also: 🔍

Entryinfo

Created: 01/30/2020 17:57
Updated: 03/27/2024 14:53
Changes: 01/30/2020 17:57 (35), 01/30/2020 18:02 (17), 03/27/2024 14:53 (18)
Complete: 🔍
Cache ID: 216::103

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