SB2020062431 - Information disclosure in curl (Alpine package)
Published: June 24, 2020
Security Bulletin ID
SB2020062431
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2020-8169)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to cURL sends a DNS query with the provided credentials for HTTP authentication when processing redirects. A remote attacker that controls a DNS server can gain access to HTTP authenticated credentials.
Remediation
Install update from vendor's website.