CVE-2021-31826 — NULL Pointer Dereference in Service Provider

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
7.5HIGHNVD
EPSS
1.5%
top 18.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Internet2 Shibboleth-spShibboleth Service Provider
Timeline
PublishedApr 27
Latest updateMay 24

Description

Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDshibboleth/service_provider3.0.0 — 3.2.2
▶Debianinternet2/shibboleth-sp< 3.2.2+dfsg1-1+3

Patches

Patch: issues.shibboleth.net ↗Patch: issues.shibboleth.net ↗

🔴Vulnerability Details

3
GHSA
GHSA-rqpx-m7mv-mxxf: Shibboleth Service Provider 3↗2022-05-24
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CVEList
CVE-2021-31826: Shibboleth Service Provider 3↗2021-04-27
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OSV
CVE-2021-31826: Shibboleth Service Provider 3↗2021-04-27
▶

📋Vendor Advisories

1
Debian
CVE-2021-31826: shibboleth-sp - Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer derefere...↗2021
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CVE-2021-31826 — NULL Pointer Dereference | cvebase