CVE-2021-28963 : Shibboleth Service Provider before 3.2.1 allows content injection because templa

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

Published 2021-03-22 08:15:13

Updated 2021-03-26 14:13:08

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-28963

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Shibboleth » Service Provider
Versions before (<) 3.2.1
cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 45 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

https://www.debian.org/security/2021/dsa-4872

Debian -- Security Information -- DSA-4872-1 shibboleth-sp
Mailing List;Third Party Advisory
https://shibboleth.net/community/advisories/secadv_20210317.txt

Vendor Advisory
https://issues.shibboleth.net/jira/browse/SSPCPP-922

[SSPCPP-922] Error templates allow query-based override of variables - Shibboleth JIRA
Issue Tracking;Patch;Vendor Advisory
https://bugs.debian.org/985405

#985405 - src:shibboleth-sp: Error templates allow query-based override of variables - Debian Bug report logs
Mailing List;Third Party Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=d1dbebfadc1bdb824fea63843c4c38fa69e54379

git.shibboleth.net Git - cpp-sp.git/commit
Patch;Vendor Advisory

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