CVE Vulnerabilities

CVE-2021-36093

Incorrect Regular Expression

Published: Sep 06, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW
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Its possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.

Weakness

The product specifies a regular expression in a way that causes data to be improperly matched or compared.

Affected Software

NameVendorStart VersionEnd Version
OtrsOtrs6.0.1 (including)*
OtrsOtrs7.0.0 (including)7.0.29 (excluding)
OtrsOtrs8.0.0 (including)8.0.16 (excluding)
Otrs2Ubuntubionic*
Otrs2Ubuntufocal*
Otrs2Ubuntuhirsute*
Otrs2Ubuntuimpish*
Otrs2Ubuntutrusty*
Otrs2Ubuntuxenial*

Potential Mitigations

References