Use-after-free in lighttpd - #VU14320
Published: August 13, 2018
Vulnerability identifier: #VU14320
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: lighttpd
Affected software:
lighttpd
lighttpd
Detailed vulnerability description
The vulnerability allows a remote attacker to gain cause denial of service conditions.
The vulnerability exists due to use-after-free error when processing data passed via Range HTTP header. A remote unauthenticated attacker can send a specially crafted HTTP request to the affected server, trigger use-after-free error and crash the affected web server.
Remediation
Update to version 1.4.50.