SB2020060980 - Improper Certificate Validation in axel (Alpine package)
Published: June 9, 2020
Security Bulletin ID
SB2020060980
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2020-13614)
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.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=8ba34495d92731e7e6c6ca71ea7b6e40fb50b250
- https://git.alpinelinux.org/aports/commit/?id=a9034d49a917ea95dfc237495c32d9c191f796ae
- https://git.alpinelinux.org/aports/commit/?id=da208128cce5803c240119429f12f8841f0c3641
- https://git.alpinelinux.org/aports/commit/?id=255f3983c155ab9d02e3e0c3d9b265fa4595b0bf
- https://git.alpinelinux.org/aports/commit/?id=416f39b6002046bd899dc905483c64d08e148397