Vulnerability · Published Dec 14, 2020 · Assigned by hackerone

CVE-2020-8285

High 7.5

In plain English

A high-severity security flaw in https://github.com/curl/curl. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 9.8% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)9.8%top 4.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20curl7.74.0-r0ALPINE-CVE-2020-8285
Alpine:v3.21curl7.74.0-r0ALPINE-CVE-2020-8285
Alpine:v3.22curl7.74.0-r0ALPINE-CVE-2020-8285
Alpine:v3.23curl7.74.0-r0ALPINE-CVE-2020-8285
Alpine:v3.24curl7.74.0-r0ALPINE-CVE-2020-8285
Debian:12curl7.74.0-1DEBIAN-CVE-2020-8285
Debian:13curl7.74.0-1DEBIAN-CVE-2020-8285
Debian:14curl7.74.0-1DEBIAN-CVE-2020-8285
Rocky Linux:8curl0:7.61.1-18.el8RLSA-2021:1610

Affected products (as reported)

VendorProductVersions
n/a https://github.com/curl/curl libcurl 7.21.0 to and including 7.73.0

Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References