CVE-2021-34548 Security feature bypass in n/a
Attackers can forge relay messages to bypass stream termination access controls in Tor, undermining intended security mechanisms.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-34548?
CVE-2021-34548 is a high-severity vulnerability in n/a, published on 29 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.
Weakness: CWE-290
Which versions are affected by CVE-2021-34548?
It affects 1 product.
Products include Torproject Tor.
How do I fix CVE-2021-34548?
Upgrade to a fixed version.
Is CVE-2021-34548 being exploited?
There is no known exploitation of CVE-2021-34548 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-34548, GHSA-5hfr-xvmr-9cjw, UBUNTU-CVE-2021-34548.