Path traversal in Icinga Web2



Published: 2020-08-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-24368
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Icinga Web 2
Other software / Other software solutions

Vendor www.icinga.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU45986

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24368

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Icinga Web 2: 2.0.0 - 2.8.1

External links

http://github.com/Icinga/icingaweb2/blob/master/CHANGELOG.md
http://github.com/Icinga/icingaweb2/issues/4226
http://icinga.com/2020/08/19/icinga-web-security-release-v2-6-4-v2-7-4-and-v2-8-2/
http://www.debian.org/security/2020/dsa-4747


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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