CVE-2021-3622

EPSS 4.8%CWE-400

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 4.8%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

23 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.

Affected products

n/a · hivex

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References

https://bugzilla.redhat.com/show_bug.cgi?id=1975489 https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255 https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/