openEuler 20.03 LTS SP4 update for perl-Net-CIDR-Lite



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-47154
CWE-ID CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

perl-Net-CIDR-Lite-help
Operating systems & Components / Operating system package or component

perl-Net-CIDR-Lite
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper authorization

EUVDB-ID: #VU87746

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-47154

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper input validation when processing extraneous zero characters at the beginning of an IP address string. A remote attacker can bypass access restrictions based on IP addresses.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

perl-Net-CIDR-Lite-help: before 0.21-24

perl-Net-CIDR-Lite: before 0.21-24

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1304


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.



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