SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-36443

An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust.

CRITICAL 9.8EPSS 1.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.23% probability · 67th percentile
CISA KEV
Not listed
Weakness
CWE-908
Affected
libp2p/libp2p-deflate
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.