Path traversal in RPM librepo



Published: 2020-10-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14352
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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librepo
Universal components / Libraries / Libraries used by multiple products

Vendor rpm-software-management

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU47485

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14352

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 perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in remote repository metadata. A remote attacker with control over the repository can trick the victim into downloading software and copy files outside of the destination directory on the targeted system. Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

librepo: 1.8.0 - 1.12.0

External links

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00055.html
http://bugzilla.redhat.com/show_bug.cgi?id=1866498


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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