CVE-2022-4064 — A vulnerability was found in Dalli up to 3
A vulnerability was found in Dalli up to 3.2.2. It has been classified as problematic. Affected is the function self.meta_set of the file lib/dalli/protocol/meta/request_formatter.rb of the component Meta Protocol Handler. The manipulation of the argument cas/ttl leads to injecti
Published
2022-11-19T00:00:00.000Z
Last modified
2025-04-15T13:12:29.327Z
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
01What is this vulnerability?
A vulnerability was found in Dalli up to 3.2.2. It has been classified as problematic. Affected is the function self.meta_set of the file lib/dalli/protocol/meta/request_formatter.rb of the component Meta Protocol Handler. The manipulation of the argument cas/ttl leads to injection. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is…
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Dalli | 3.2.0, 3.2.1, 3.2.2 |
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
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
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
- Published: 2022-11-19T00:00:00.000Z
- Last modified: 2025-04-15T13:12:29.327Z
09References
- vuldb.com — https://vuldb.com/?id.214026
- vuldb.com — https://vuldb.com/?ctiid.214026
- github.com — https://github.com/petergoldstein/dalli/issues/932
- github.com — https://github.com/petergoldstein/dalli/pull/933
- github.com — https://github.com/petergoldstein/dalli/commit/48d594dae55934476fec61789e7a7c370…
- github.com — https://github.com/petergoldstein/dalli/releases/tag/v3.2.3
- github.com — https://github.com/advisories/GHSA-3xg8-cc8f-9wv2
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