7.5
HIGH
CVE-2022-4891
Sisimai Inefficient Regular Expression Complexity Vulnerability
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.

INFO

Published Date :

Jan. 17, 2023, 8:15 p.m.

Last Modified :

May 17, 2024, 2:17 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-4891 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-4891 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Libsisimai sisimai
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-4891.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
sisimai/rb-sisimai

Mail Analyzing Interface for email bounce: A Ruby library to parse RFC5322 bounce mails and generating structured data as JSON from parsed results. Ruby version of Sisimai: an error mail analyzer.

smtp bounce-mails bounce-messages ruby sisimai bounce mail email email-parsing email-bounce

Ruby Makefile Shell

Updated: 1 month, 3 weeks ago
83 stars 18 fork 18 watcher
Born at : March 4, 2015, 6:27 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
sisimai/p5-sisimai

Mail Analyzing Interface for email bounce: A Perl module to parse RFC5322 bounce mails and generating structured data as JSON from parsed results. Formerly known as bounceHammer 4: an error mail analyzer.

bounce-mails bounce-messages smtp mail email sisimai perl bounce email-parsing email-bounce

Perl Makefile Raku

Updated: 1 month, 3 weeks ago
76 stars 24 fork 24 watcher
Born at : Aug. 15, 2014, 10:17 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-4891 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-4891 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V3.1 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • Initial Analysis by [email protected]

    Jan. 25, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html No Types Assigned https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html Exploit, Third Party Advisory
    Changed Reference Type https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e No Types Assigned https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e Patch, Third Party Advisory
    Changed Reference Type https://github.com/sisimai/rb-sisimai/pull/244 No Types Assigned https://github.com/sisimai/rb-sisimai/pull/244 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12 No Types Assigned https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12 Release Notes, Third Party Advisory
    Changed Reference Type https://vuldb.com/?ctiid.218452 No Types Assigned https://vuldb.com/?ctiid.218452 Permissions Required, Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.218452 No Types Assigned https://vuldb.com/?id.218452 Permissions Required, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:libsisimai:sisimai:*:*:*:*:*:*:*:* versions up to (excluding) 4.25.14 *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:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-4891 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-4891 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.54 }} 0.09%

score

0.77642

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: