CVE-2012-3519 Information disclosure in n/a
Remote attackers can obtain sensitive relay selection information via timing side-channel attacks in Tor, compromising user anonymity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-3519?
CVE-2012-3519 is a medium-severity vulnerability in Tor Tor, published on 26 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack.
Weakness: CWE-200
Which versions are affected by CVE-2012-3519?
It affects 1 product.
Products include Tor Tor.
How do I fix CVE-2012-3519?
Upgrade to a fixed version.
Is CVE-2012-3519 being exploited?
There is no known exploitation of CVE-2012-3519 in the wild and no public exploit code.
Other vulnerabilities in Tor Tor
- CVE-2010-1676 Memory corruption in n/a
- CVE-2009-0939 Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as
- CVE-2009-0414 Memory corruption in n/a
- CVE-2008-5398 Information disclosure in n/a
- CVE-2011-2778 Memory corruption in n/a
Sources
Also known as DEBIAN-CVE-2012-3519, GHSA-gh38-mhw5-8qwc.