Fedora EPEL 9 update for libspf2



Published: 2023-10-02
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-42118
CWE-ID CWE-191
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Fedora
Operating systems & Components / Operating system

libspf2
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Integer underflow

EUVDB-ID: #VU81255

Risk: Critical

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42118

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

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

The vulnerability exists due to integer underflow in libspf2 when parsing SPF macros. A remote attacker can pass specially crafted data to the server, trigger an integer underflow and execute arbitrary code on the target system.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

libspf2: before 1.2.11-10.20210922git4915c308.el9

External links

http://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-2eda308e31


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.



###SIDEBAR###