SARA / Free Tools / CVE / CVE-2022-33749

CVE-2022-33749 — XAPI open file limit DoS It is possible for an unauthenticated client on the net

XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other (trusted) clients, and blocks XAPI from carrying out any tasks that require the open

CVSS
— —
EPSS
0.26% (top 50.50%)
CWE
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Published
2022-10-11T00:00:00.000Z
Last modified
2024-08-03T08:09:22.664Z
CVSS vector
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01What is this vulnerability?

XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other (trusted) clients, and blocks XAPI from carrying out any tasks that require the opening of file descriptors.

02Affected products

VendorProductVersions
XapiXapiconsult Xen advisory XSA-413

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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