Security restrictions bypass in Tor - CVE-2017-0377

 

Security restrictions bypass in Tor - CVE-2017-0377

Published: July 12, 2017 / Updated: August 24, 2017


Vulnerability identifier: #VU7480
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-0377
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: tor.eff.org
Affected software:
Tor

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to a flaw in the guard-selection algorithm. A remote attacker can defeat intended anonymity properties.

How to mitigate CVE-2017-0377

Update to version 0.3.0.9.

Sources