openEuler 20.03 LTS SP4 update for ruby
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-41817 |
| CWE-ID | CWE-185 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system rubygems-devel Operating systems & Components / Operating system package or component rubygems Operating systems & Components / Operating system package or component rubygem-xmlrpc Operating systems & Components / Operating system package or component rubygem-test-unit Operating systems & Components / Operating system package or component rubygem-rdoc Operating systems & Components / Operating system package or component rubygem-rake Operating systems & Components / Operating system package or component rubygem-power_assert Operating systems & Components / Operating system package or component rubygem-net-telnet Operating systems & Components / Operating system package or component rubygem-minitest Operating systems & Components / Operating system package or component rubygem-did_you_mean Operating systems & Components / Operating system package or component ruby-irb Operating systems & Components / Operating system package or component ruby-help Operating systems & Components / Operating system package or component rubygem-psych Operating systems & Components / Operating system package or component rubygem-openssl Operating systems & Components / Operating system package or component rubygem-json Operating systems & Components / Operating system package or component rubygem-io-console Operating systems & Components / Operating system package or component rubygem-bigdecimal Operating systems & Components / Operating system package or component ruby-devel Operating systems & Components / Operating system package or component ruby-debugsource Operating systems & Components / Operating system package or component ruby-debuginfo Operating systems & Components / Operating system package or component ruby Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Incorrect Regular Expression
EUVDB-ID: #VU59824
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-41817
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions on date parsing methods. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
rubygems-devel: before 2.7.6-132
rubygems: before 2.7.6-132
rubygem-xmlrpc: before 0.3.0-132
rubygem-test-unit: before 3.2.7-132
rubygem-rdoc: before 6.0.1.1-132
rubygem-rake: before 12.3.0-132
rubygem-power_assert: before 1.1.1-132
rubygem-net-telnet: before 0.1.1-132
rubygem-minitest: before 5.10.3-132
rubygem-did_you_mean: before 1.2.0-132
ruby-irb: before 2.5.8-132
ruby-help: before 2.5.8-132
rubygem-psych: before 3.0.2-132
rubygem-openssl: before 2.1.2-132
rubygem-json: before 2.1.0-132
rubygem-io-console: before 0.4.6-132
rubygem-bigdecimal: before 1.3.4-132
ruby-devel: before 2.5.8-132
ruby-debugsource: before 2.5.8-132
ruby-debuginfo: before 2.5.8-132
ruby: before 2.5.8-132
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:o:openeuler:rubygems-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygems:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-xmlrpc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-test-unit:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-rdoc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-rake:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-power_assert:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-net-telnet:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-minitest:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-did_you_mean:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby-irb:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-psych:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-openssl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-json:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-io-console:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:rubygem-bigdecimal:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ruby:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2581
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
