Improper Certificate Validation in axel - CVE-2020-13614
Published: June 25, 2020
Vulnerability identifier: #VU29246
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13614
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-Middle (MitM) attack.
The vulnerability exists in in ssl.c when Axel fails to perform hostname verification during TLS connection. A remote attacker can supply a valid SSL certificate from another domain and perform a Man-in-the-Middle attack.
Affected software
axel
axel (Alpine package)
axel
SUSE Linux
Opensuse
Fedora
axel (Alpine package)
axel
SUSE Linux
Opensuse
Fedora
How to mitigate CVE-2020-13614
Install updates from vendor's website.
axel - update to 2.17.8
axel (Alpine package) - addressed in versions 2.16.1-r3, 2.17.3-r1
axel - addressed in versions 2.17.10-1.fc33, 2.17.10-1.fc34
axel (Alpine package) - addressed in versions 2.16.1-r3, 2.17.3-r1
axel - addressed in versions 2.17.10-1.fc33, 2.17.10-1.fc34