Fedora 36 update for mod_security



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-48279
CVE-2023-24021
CWE-ID CWE-20
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

mod_security
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU72085

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-2022-48279

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when parsing HTTP multipart requests. A remote attacker can send specially crafted input to the application and bypass the Web Application Firewall.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 36

mod_security: before 2.9.7-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-8aa264d5c5


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) Buffer overflow

EUVDB-ID: #VU72086

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-24021

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when executing rules that read the FILES_TMP_CONTENT collection. A remote attacker can upload a specially crafted file on the system, trigger memory corruption and execute arbitrary code on the target system or bypass implemented WAF protection rules.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 36

mod_security: before 2.9.7-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-8aa264d5c5


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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