SB2020091511 - Out-of-bounds write in libproxy (Alpine package)
Published: September 15, 2020
Security Bulletin ID
SB2020091511
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-25219)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
Remediation
Install update from vendor's website.