Input validation error in otrs (Alpine package)



Published: 2021-04-01
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-16587
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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otrs (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU31199

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-16587

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a user with admin permissions opens it, it causes deletions of arbitrary files that the OTRS web server user has write access to.

Mitigation

Install update from vendor's website.

Vulnerable software versions

otrs (Alpine package): 5.0.24-r0

External links

http://git.alpinelinux.org/aports/commit/?id=9b6c2aed7ebccbf3bc39e7e137207ef2e42b1425


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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