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CVE-2022-4891 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:3.5 LOWVector:CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html	CVE	ExploitThird Party Advisory
https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e	CVE	PatchThird Party Advisory
https://github.com/sisimai/rb-sisimai/pull/244	CVE	ExploitPatchThird Party Advisory
https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12	CVE	Release NotesThird Party Advisory
https://vuldb.com/?ctiid.218452	CVE	Permissions RequiredThird Party Advisory
https://vuldb.com/?id.218452	CVE	Permissions RequiredThird Party Advisory
https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html	[email protected]	ExploitThird Party Advisory
https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e	[email protected]	PatchThird Party Advisory
https://github.com/sisimai/rb-sisimai/pull/244	[email protected]	ExploitPatchThird Party Advisory
https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12	[email protected]	Release NotesThird Party Advisory
https://vuldb.com/?ctiid.218452	[email protected]	Permissions RequiredThird Party Advisory
https://vuldb.com/?id.218452	[email protected]	Permissions RequiredThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1333	Inefficient Regular Expression Complexity	[email protected]

Affected Products

Product	Versions
libsisimai sisimai	< 4.25.14 4.25.14 - 4.25.14 p1 4.25.14 p10 4.25.14 p11
CPE cpe:2.3:a:libsisimai:sisimai:::::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:-:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p1:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p10:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p11:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p3:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p5:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p6:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p7:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p8:::::: cpe:2.3:a:libsisimai:sisimai:4.25.14:p9:::::: Remediation No remediation found in references.

Product

Versions

libsisimai sisimai

< 4.25.14

4.25.14 -

4.25.14 p1

4.25.14 p10

4.25.14 p11

CPE

cpe:2.3:a:libsisimai:sisimai:*:*:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:-:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p1:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p10:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p11:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p3:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p5:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p6:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p7:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p8:*:*:*:*:*:*
cpe:2.3:a:libsisimai:sisimai:4.25.14:p9:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 17, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Apr 11, 2024	CVE Modified	[email protected]
Mar 21, 2024	CVE Modified	[email protected]
Feb 29, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jan 25, 2023	Initial Analysis	[email protected]