Description
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 told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.3 is able to address this issue. The patch is identified as 48d594dae55934476fec61789e7a7c3700e0f50d. It is recommended to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Dalli | 3.2.0, 3.2.1, 3.2.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | ruby-dalli | No fix yet | — |
| Ubuntu 26.04 LTS | ruby-dalli | No fix yet | — |
| Ubuntu 25.10 | ruby-dalli | No fix yet | — |
| Ubuntu 24.04 LTS | ruby-dalli | No fix yet | — |
| Ubuntu 22.04 LTS | ruby-dalli | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | ruby-dalli | No fix yet | — |
| Ubuntu 18.04 LTS | ruby-dalli | No fix yet | — |
| Ubuntu 16.04 LTS | ruby-dalli | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | dalli | < 3.2.3 | 3.2.3 | GHSA-3xg8-cc8f-9wv2 |
References
- VDB-214026 | Dalli Meta Protocol request_formatter.rb self.meta_set injection vdb-entry technical-description
- VDB-214026 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- https://github.com/petergoldstein/dalli/issues/932 exploit issue-tracking
- https://github.com/petergoldstein/dalli/pull/933 issue-tracking
- https://github.com/petergoldstein/dalli/commit/48d594dae55934476fec61789e7a7c3700e0f50d patch
- https://github.com/petergoldstein/dalli/releases/tag/v3.2.3 patch
- https://github.com/advisories/GHSA-3xg8-cc8f-9wv2 issue-tracking