Vulnerability identifier: #VU84584
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Tor
Client/Desktop applications /
Web browsers
Vendor: tor.eff.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in exit relays. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Tor: 0.4.8.4 - 0.4.8.9
External links
http://forum.torproject.org/t/security-release-0-4-8-10/10536
http://forum.torproject.org/t/tor-relays-exit-operators-on-the-0-4-8-x-series-please-upgrade-to-0-4-8-10-asap/10537
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.