Vulnerability · Published Mar 22, 2021 · Assigned by mitre
CVE-2021-28963
Medium 5.3
In plain English
A medium-severity security flaw in the shibboleth-sp package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.3%top 29.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | shibboleth-sp | 3.2.1+dfsg1-1 | DEBIAN-CVE-2021-28963 |
| Debian:13 | shibboleth-sp | 3.2.1+dfsg1-1 | DEBIAN-CVE-2021-28963 |
| Debian:14 | shibboleth-sp | 3.2.1+dfsg1-1 | DEBIAN-CVE-2021-28963 |
Affected products (as reported)
References
- https://bugs.debian.org/985405 x_refsource_MISC
- https://shibboleth.net/community/advisories/secadv_20210317.txt x_refsource_MISC
- https://issues.shibboleth.net/jira/browse/SSPCPP-922 x_refsource_MISC
- https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379 x_refsource_MISC
- https://www.debian.org/security/2021/dsa-4872 x_refsource_MISC