CVE-2019-15552 Use after free in libflate
A use-after-free vulnerability in the libflate Rust crate allows attackers to execute arbitrary code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15552?
CVE-2019-15552 is a critical use after free vulnerability in n/a, published on 26 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the libflate crate before 0.1.25 for Rust. MultiDecoder::read has a use-after-free, leading to arbitrary code execution.
Weakness: CWE-416
Which versions are affected by CVE-2019-15552?
3 open source packages ship an affected version, including libflate. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
libflate crates.io | From 0.1.14 | 0.1.25 |
libflate crates.io | From 0.1.14 | 0.1.25 |
libflate crates.io | From 0.1.14 | 0.1.25 |
Products include Libflate Project Libflate.
How do I fix CVE-2019-15552?
Upgrade libflate to 0.1.25 or later.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-15552 being exploited?
There is no known exploitation of CVE-2019-15552 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2019-15552, GHSA-rpcm-whqc-jfw8, RUSTSEC-2019-0010.