Fedora EPEL 7 update for viewvc

Published: 2023-08-16

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-22456 CVE-2023-22464
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Fedora Operating systems & Components / Operating system viewvc Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stored cross-site scripting

EUVDB-ID: #VU70667

Risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22456

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the revision view changed paths. A remote user with commit privileges to a Subversion repository can permanetly inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Upgrade viewvc to version 1.1.30-1.el7.

Vulnerable software versions

Fedora: 7

viewvc: before 1.1.30-1.el7

External links

http://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-96ef72f1b2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stored cross-site scripting

EUVDB-ID: #VU70698