GHSA-mcrf-7hf9-f6q5 json
Unchecked vector pre-allocation
published 8y ago modified 3y ago also RUSTSEC-2017-0006
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- —
- no score, EPSS covers CVEs only
- public exploits
- 0
- none known
Summary
Affected versions of this crate pre-allocate memory on deserializing raw buffers without checking whether there is sufficient data available. This allows an attacker to do denial-of-service attacks by sending small msgpack messages that allocate gigabytes of memory.
Patch / fix
- crates.io rmpv 0.4.2
Is GHSA-mcrf-7hf9-f6q5 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerAffected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | rmpv | <0.4.2 >=0.0.0-0, <0.4.2 |
0.4.2 |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/3Hren/msgpack-rust/issues/151
web, report
-
github.com
/3Hren/msgpack-rust
package
-
rustsec.org
/advisories/RUSTSEC-2017-0006.html
web, advisory
-
crates.io
/crates/rmpv
package
Sources
- GitHub Advisory GHSA-mcrf-7hf9-f6q5
- OSV RUSTSEC-2017-0006
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.