Fedora 32 update for php-symfony3



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21424
CWE-ID CWE-204
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

php-symfony3
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Observable response discrepancy

EUVDB-ID: #VU53200

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21424

CWE-ID: CWE-204 - Observable Response Discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to enumerate application users.

The vulnerability exists due to application returns different responses based on presence of user account name in application database. A remote attacker enumerate application users.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 32

php-symfony3: before 3.4.48-1.fc32

CPE2.3 External links

http://bodhi.fedoraproject.org/updates/FEDORA-2021-3c013b5555


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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