Critical severity · published Aug 8, 2021
CVE-2020-36443
An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust. An uninitialized buffer is passed to AsyncRead::poll_read(), which is a user-provided trait function.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libp2p-deflate · Libp2p
before 0.27.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36443
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36443
Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libp2p-deflate/RUSTSEC-2020-0123.md
Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0123.html