7.5

CVE-2022-4891

Exploit

Sisimai string.rb to_plain redos

A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. Upgrading to version 4.25.14p12 is able to address this issue. The name of the patch is 51fe2e6521c9c02b421b383943dc9e4bbbe65d4e. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-218452.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libsisimai ≫ Sisimai Version < 4.25.14
Libsisimai ≫ Sisimai Version 4.25.14 Update -
Libsisimai ≫ Sisimai Version 4.25.14 Update p1
Libsisimai ≫ Sisimai Version 4.25.14 Update p10
Libsisimai ≫ Sisimai Version 4.25.14 Update p11
Libsisimai ≫ Sisimai Version 4.25.14 Update p3
Libsisimai ≫ Sisimai Version 4.25.14 Update p5
Libsisimai ≫ Sisimai Version 4.25.14 Update p6
Libsisimai ≫ Sisimai Version 4.25.14 Update p7
Libsisimai ≫ Sisimai Version 4.25.14 Update p8
Libsisimai ≫ Sisimai Version 4.25.14 Update p9
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.34% 0.675
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
cna@vuldb.com 3.5 2.1 1.4
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
cna@vuldb.com 2.7 5.1 2.9
AV:A/AC:L/Au:S/C:N/I:N/A:P
CWE-1333 Inefficient Regular Expression Complexity

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html
Third Party Advisory
Exploit
https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e
Patch
Third Party Advisory
https://github.com/sisimai/rb-sisimai/pull/244
Patch
Third Party Advisory
Exploit
https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12
Third Party Advisory
Release Notes
https://vuldb.com/?ctiid.218452
Third Party Advisory
Permissions Required
https://vuldb.com/?id.218452
Third Party Advisory
Permissions Required