Fedora EPEL 7 update for python3-virtualenv

Published: 2020-02-11 | Updated: 2025-04-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-20060 CVE-2019-11236
CWE-ID	CWE-200 CWE-93
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available.
Vulnerable software	Fedora Operating systems & Components / Operating system python3-virtualenv Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU26413

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2018-20060

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to Authorization HTTP header is not removed from the HTTP request during request redirection in "urllib3/util/retry.py". A remote attacker can intercept the request and gain access to sensitive information, passed via Authorization HTTP header.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 7

python3-virtualenv: before 15.1.0-5.el7

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-88a247cda8

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. However, proof of concept for this vulnerability is available.

2) CRLF injection

EUVDB-ID: #VU26412