Race condition in tinyproxy - CVE-2017-11747
Published: August 20, 2023
Vulnerability identifier: #VU79739
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-11747
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: tinyproxy
Affected software:
tinyproxy
tinyproxy
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition when dropping privileges to a non-root account for the /run/tinyproxy/tinyproxy.pid file. A local user can exploit the race and perform a denial of service (DoS) attack.
How to mitigate CVE-2017-11747
Install updates from vendor's website.