#VU14218 Path traversal in yum-utils - CVE-2018-10897

Vulnerability identifier: #VU14218

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
yum-utils
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor: YumUtils

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

---

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.