Fedora EPEL 7 update for exim



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-1531
CWE-ID CWE-250
CWE-676
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

exim
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Default set-uid root for perl_startup script

EUVDB-ID: #VU34

Risk: Low

CVSSv4.0: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2016-1531

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

Exploit availability: Yes

Description

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists due to improper default permission for "perl_startup" startup script, which has set-uid root bit. A local user can obtain root privileges on the system.

Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges and execute arbitrary commands as root.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 7

exim: before 4.84.2-1.el7

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-60ae263220


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



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