openEuler update for ruby

Published: 2023-07-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-36617 CVE-2023-28755
CWE-ID	CWE-185
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #2 is available.
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system rubygems-devel Operating systems & Components / Operating system package or component rubygem-rdoc Operating systems & Components / Operating system package or component ruby-irb Operating systems & Components / Operating system package or component rubygem-did_you_mean Operating systems & Components / Operating system package or component rubygem-rake Operating systems & Components / Operating system package or component ruby-help Operating systems & Components / Operating system package or component rubygem-net-telnet Operating systems & Components / Operating system package or component rubygems Operating systems & Components / Operating system package or component rubygem-minitest Operating systems & Components / Operating system package or component rubygem-power_assert 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 ruby-debugsource Operating systems & Components / Operating system package or component ruby-devel Operating systems & Components / Operating system package or component ruby-debuginfo Operating systems & Components / Operating system package or component rubygem-openssl Operating systems & Components / Operating system package or component rubygem-psych 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 rubygem-json 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 information about 2 vulnerabilities.

1) Incorrect Regular Expression

EUVDB-ID: #VU77803

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-36617

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when parsing URL. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.

Note, the vulnerability exists due to incomplete fix for #VU74004 (CVE-2023-28755).

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP2

rubygems-devel: before 2.7.6-120

rubygem-rdoc: before 6.0.1.1-120

ruby-irb: before 2.5.8-120

rubygem-did_you_mean: before 1.2.0-120

rubygem-rake: before 12.3.0-120

ruby-help: before 2.5.8-120

rubygem-net-telnet: before 0.1.1-120

rubygems: before 2.7.6-120

rubygem-minitest: before 5.10.3-120

rubygem-power_assert: before 1.1.1-120

rubygem-xmlrpc: before 0.3.0-120

rubygem-test-unit: before 3.2.7-120

ruby-debugsource: before 2.5.8-120

ruby-devel: before 2.5.8-120

ruby-debuginfo: before 2.5.8-120

rubygem-openssl: before 2.1.2-120

rubygem-psych: before 3.0.2-120

rubygem-io-console: before 0.4.6-120

rubygem-bigdecimal: before 1.3.4-120

rubygem-json: before 2.1.0-120

ruby: before 2.5.8-120

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1427

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.

2) Incorrect Regular Expression

EUVDB-ID: #VU74004