Privilege escalation in yum-utils



Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2018-10897
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
 yum-utils
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor YumUtils

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU14218

Risk: Low

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:Clear]

CVE-ID: CVE-2018-10897

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists in reposync, a part of yum-utils due to insufficient sanitization of paths in remote repository configuration files. A remote unauthenticated attacker can conduct directory traversal attack, copy files outside of the destination directory and gain elevated privileges to conduct further attacks.

Mitigation

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

yum-utils: 0.2 - 1.1.31

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10897


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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