OSSEC 3.6.0 XML Tag os_xml.c _ReadElem recursion

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in OSSEC 3.6.0. Impacted is the function _ReadElem of the file os_xml.c of the component XML Tag Handler. The manipulation leads to recursion. This vulnerability is listed as CVE-2021-28040. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OSSEC 3.6.0. This issue affects the function _ReadElem of the file os_xml.c of the component XML Tag Handler. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability.

The weakness was presented 03/06/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-28040. Technical details are known, but no exploit is available.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Recursion
CWE: CWE-674 / CWE-404
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

03/05/2021 🔍
03/06/2021 +1 days 🔍
03/06/2021 +0 days 🔍
03/28/2021 +22 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-28040 (🔍)
GCVE (CVE): GCVE-0-2021-28040
GCVE (VulDB): GCVE-100-170813

Entryinfo

Created: 03/06/2021 11:31
Updated: 03/28/2021 20:57
Changes: 03/06/2021 11:31 (37), 03/28/2021 20:52 (2), 03/28/2021 20:57 (18)
Complete: 🔍
Cache ID: 216::103

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