Tor: Several vulnerabilities
Gentoo Linux Security Advisory
||GLSA 200606-04 / tor
||June 07, 2006
||September 05, 2006: 02
All supported architectures
Tor is vulnerable to a possible buffer overflow, a Denial of Service,
information disclosure and information leak.
Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.
Some integer overflows exist when adding elements to the smartlists.
Non-printable characters received from the network are not properly
sanitised before being logged. There are additional unspecified bugs in
the directory server and in the internal circuits.
The possible buffer overflow may allow a remote attacker to execute
arbitrary code on the server by sending large inputs. The other
vulnerabilities can lead to a Denial of Service, a lack of logged
information, or some information disclosure.
There is no known workaround at this time.
All Tor users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose net-misc/tor