CVE-2021-28963

Published: 22 March 2021

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

From the Ubuntu Security Team

Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service provider allowed content injection due to allowing attacker-controlled parameters in error or other status pages. An attacker could use this to inject malicious content.

Priority

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package	Release	Status
shibboleth-sp Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Released (3.0.4+dfsg1-1ubuntu0.1)
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Not vulnerable (3.3.0+dfsg1-1)
	mantic	Not vulnerable (3.3.0+dfsg1-1)
	trusty	Does not exist
	upstream	Released (3.2.1+dfsg1-1)
	xenial	Does not exist
	Patches: upstream: https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=d1dbebfadc1bdb824fea63843c4c38fa69e54379
shibboleth-sp2 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	5.3
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

Bugs

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›