GitHub Advisoryadvisory · RubyGems
GHSA-vm74-j4wq-82xj Sisimai Inefficient Regular Expression Complexity vulnerability
MEDIUM
Official page ↗
- Aliases
- CVE-2022-4891
- Ecosystem
- RubyGems
- Packages
- sisimai
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-1333
- Reviewed
- 2023-01-20
Affected packages
• RubyGems sisimai: < 4.25.14p12 → fixed in 4.25.14p12
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.
Related
Alias · CVE (1)
- CVE-2022-4891 A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. vulnerability
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-4891 advisory
- https://github.com/sisimai/rb-sisimai/pull/244 web
- https://github.com/sisimai/rb-sisimai/commit/51fe2e6521c9c02b421b383943dc9e4bbbe65d4e web
- https://gist.githubusercontent.com/gmcabrita/e5dc0332473fc2e3a7a407434c8d21c7/raw/00b12035e5e1b685469f143b94301a50306376ba/example.html web
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sisimai/CVE-2022-4891.yml web
- https://github.com/sisimai/rb-sisimai package
- https://github.com/sisimai/rb-sisimai/releases/tag/v4.25.14p12 web
- https://vuldb.com/?ctiid.218452 web
- https://vuldb.com/?id.218452 web