Share your story
The central voice for Linux and Open Source security news
Home News Topics Advisories HOWTOs Features Newsletters About Register

Sign up!
EnGarde Community
What is the most important Linux security technology?
Linux Events
Linux User Groups
Link to Us
Security Center
Book Reviews
Security Dictionary
Security Tips
White Papers
Featured Blogs
All About Linux
DanWalsh LiveJournal
Latest Newsletters
Linux Security Week: March 23rd, 2015
Linux Advisory Watch: March 20th, 2015
LinuxSecurity Newsletters
Choose Lists:
About our Newsletters
RSS Feeds
Get the LinuxSecurity news you want faster with RSS
Powered By

Debian: 2548-1: tor: Multiple vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian Severel vulnerabilities have been discovered in Tor, an online privacy tool. CVE-2012-3518 [More...]
- -------------------------------------------------------------------------
Debian Security Advisory DSA-2548-1                                 Moritz Muehlenhoff
September 13, 2012           
- -------------------------------------------------------------------------

Package        : tor
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-3518 CVE-2012-3519 CVE-2012-4419

Severel vulnerabilities have been discovered in Tor, an online privacy 


  Avoid an uninitialised memory read when reading a vote or consensus
  document that has an unrecognized flavour name. This could lead to
  a remote, resulting in denial of service.


  Try to leak less information about what relays a client is choosing to
  a side-channel attacker.


  By providing specially crafted date strings to a victim tor instance, 
  an attacker can cause it to run into an assertion and shut down

Additionally the update to stable includes the following fixes:
- - When waiting for a client to renegotiate, don't allow it to add any
  bytes to the input buffer. This fixes a potential DoS issue
  [tor-5934, tor-6007].

For the stable distribution (squeeze), these problems have been fixed in

For the unstable distribution, these problems have been fixed in version

We recommend that you upgrade your tor packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:

Mailing list:
< Prev   Next >


Latest Features
Peter Smith Releases Linux Network Security Online
Securing a Linux Web Server
Password guessing with Medusa 2.0
Password guessing as an attack vector
Squid and Digest Authentication
Squid and Basic Authentication
Demystifying the Chinese Hacking Industry: Earning 6 Million a Night
Free Online security course (LearnSIA) - A Call for Help
What You Need to Know About Linux Rootkits
Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition
Yesterday's Edition
Tech Companies, Privacy Advocates Call for NSA Reform
Google warns of unauthorized TLS certificates trusted by almost all OSes
How Kevin Mitnick hacked the audience at CeBIT 2015
Partner Sponsor

Community | HOWTOs | Blogs | Features | Book Reviews | Networking
 Security Projects |  Latest News |  Newsletters |  SELinux |  Privacy |  Home
 Hardening |   About Us |   Advertise |   Legal Notice |   RSS |   Guardian Digital
(c)Copyright 2015 Guardian Digital, Inc. All rights reserved.