PT-2021-18003 · Shibboleth+2 · Shibboleth Service Provider+2

Toni Huttunen · Published 2021-03-18 · Updated 2021-04-22 · CVE-2021-28963

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Shibboleth Service Provider versions prior to 3.2.1

Description: The issue allows content injection due to template generation using attacker-controlled parameters. This enables potential attackers to inject malicious content.

Recommendations: For versions prior to 3.2.1, update to version 3.2.1 or later to resolve the issue. As a temporary workaround, consider restricting access to template generation features until a patch is applied. Avoid using attacker-controlled parameters in template generation until the issue is resolved.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2021-28963

DLA-2599-1

DSA-4872-1

USN-4925-1

Affected Products

Linuxmint

Shibboleth Service Provider

Ubuntu

References · 19

• https://osv.dev/vulnerability/UBUNTU-CVE-2021-28963 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4872-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-28963 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4925-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28963 · Security Note
• https://osv.dev/vulnerability/DLA-2599-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-28963 · Vendor Advisory
• https://debian.org/security/2021/dsa-4872 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4925-1 · Vendor Advisory
• https://shibboleth.net/community/advisories/secadv_20210317.txt · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-28963 · Vendor Advisory
• https://issues.shibboleth.net/jira/browse/SSPCPP-922 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-28963 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-28963 · Vendor Advisory
• https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379 · Note