If you'll notice, most of these advisorys deal with local/normal users gaining 
access and putting code where it shouldn't be.  This is very different from a 
remote vuln which allows an unknown user to alter system files.  

e

On Thursday 14 August 2003 12:06 am, Luis-Miguel Astudillo wrote:
> Dear Stephen,
>
>
> Just a few examples of those issues on Linux :
>
> Security Advisory - RHSA-2003:196-13
> Updated Xpdf packages are available that fix a vulnerability where a
> malicious PDF document could run arbitrary code.
> Martyn Gilmore discovered a flaw in various PDF viewers and readers. An
> attacker can embed malicious external-type hyperlinks that, if activated or
> followed by a victim, can execute arbitrary shell commands.   The Common
> Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
> CAN-2003-0434 to this issue.
>
> Security Advisory - RHSA-2003:238-14
> Updated 2.4 kernel fixes vulnerabilities
> Several security issues have been discovered affecting the Linux kernel:
>
> CAN-2003-0461: /proc/tty/driver/serial reveals the exact character counts
> for serial links.  This could be used by a local attacker to infer password
> lengths and inter-keystroke timings during password entry.
>
> CAN-2003-0462: Paul Starzetz discovered a file read race condition existing
> in the execve() system call, which could cause a local crash.
>
> CAN-2003-0464: A recent change in the RPC code set the reuse flag on
> newly-created sockets.  Olaf Kirch noticed that his could allow normal
> users to bind to UDP ports used for services such as nfsd.
>
> CAN-2003-0476: The execve system call in Linux 2.4.x records the file
> descriptor of the executable process in the file table of the calling
> process, allowing local users to gain read access to restricted file
> descriptors.
>
> CAN-2003-0501: The /proc filesystem in Linux allows local users to obtain
> sensitive information by opening various entries in /proc/self before
> executing a setuid program.  This causes the program to fail to change the
> ownership and permissions of already opened entries.
>
> CAN-2003-0550: The STP protocol is known to have no security, which could
> allow attackers to alter the bridge topology.  STP is now turned off by
> default.
>
> CAN-2003-0551: STP input processing was lax in its length checking, which
> could lead to a denial of service.
>
> CAN-2003-0552: Jerry Kreuscher discovered that the Forwarding table could
> be spoofed by sending forged packets with bogus source addresses the same
> as the local host.
>
>
> These are just some examples of Security Issues, what others are not
> reported or not discovered yet.
>
> Don't forget, computers are as good as the person who programs them.  We
> are human and officially not perfect.
>
>
> Luis-M. Astudillo
> IT Architect Distributed Systems (Intel/Unix)
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Stephen Kuhn
> Sent: August 13, 2003 10:39 PM
> To: Mandrake Newbie
> Subject: [newbie] OF INTEREST: [Virus Alerts [Prevention: the best weapon
> againstthe Blaster wor m - 08/13/03]]
>
>
> I get this stuff just about every day - just goes to show y'all how much
> Microsoft TRULY and REALLY cares for their PURCHASING PUBLIC.
>
> Wazzat Billy Gates? You want to make safe software for the public?
>
> -----Forwarded Message-----
> Subject: Virus Alerts [Prevention: the best weapon against the Blaster wor
> m - 08/13/03]
> Date: 13 Aug 2003 15:02:25 +0200
>
>      - Prevention: the best weapon against the Blaster worm -
>    Virus Alerts, by Panda Software (http://www.pandasoftware.com)
>
> Madrid, August 13, 2003 - The Blaster worm continues to wreak havoc in
> users PCs, as borne out by the number of incidents recorded by Panda
> Software's international tech support network, and it is still the virus
> most frequently detected by Panda ActiveScan, the free online scanner.
>
> However, the epidemic currently being caused by Blaster could easily have
> been avoided. The vulnerability exploited  was reported  by Microsoft
> almost a month and half ago and was widely reported by the international
> media. The same advise was repeated time and again: to avoid problems,
> simply apply the Microsoft patch.
>
> Seemingly this advise fell on deaf ears, judging by the number of computers
> affected by Blaster. The situation also highlights the general lack of
> security awareness among home users, who have been affected more than any
> other  user group  Users with personal firewalls installed have escaped the
> effects of the worm, as port 135, used by Blaster to enter computers, is
> protected by these kinds of programs.
>
> Likewise, the high number of incidents still being caused by Blaster is
> also largely a result of the failure by users to keep the antivirus
> software in their PCs completely up-to-date.
>
> Similarly, the RPC DCOM vulnerability continues to cause problems, as Panda
> Software's Virus Laboratory has detected the appearance of a new
> worm/Trojan called W32/RPCSdbot which exploits the Windows vulnerability to
> take control of the infected computer and spread via e-mail.
>
> However, protecting against Blaster, W32/RPCSdbot and other viruses that
> could emerge in the near future can be simple, provided users take a few
> basic precautions:
>
> - Find out about and apply patches to correct vulnerabilities detected in
> the software installed on your PC. Vendors websites will normally have this
> sort of information and the downloads. Similarly, e-bulletin services, such
> as Panda Software's Oxygen3 24h-365d free newsletter, provide the latest
> information on these security issues.
>
> - Keep your antivirus updated. The simplest way is to install solutions
> that update automatically when users connect to the Internet such as Panda
> Antivirus Titanium or Platinum 7.0.
>
> - Install a personal firewall in your computer, with both broadband and
> modem  connections, as just a few seconds is all it takes for a malicious
> code like Blaster to infect your PC. Solutions like Panda Antivirus
> Platinum 7.0 actually include a personal firewall.
>
> Finally, Panda Software advises all users who haven't done so already to
> update their antivirus solution. The company has already released the
> updates to detect  Blaster and W32/RPCSDbot, so if your software is not
> configured to do so automatically, you can update your antivirus from
> http://www.pandasoftware.com
>
> Panda Software has also released the PQREMOVE application designed
> specifically to clean and repair systems affected by Blaster. This utility
> can be downloaded from http://www.pandasoftware.com/downloads/utililities/
>
> For further information about Blaster, W32/RPCSdbot and other viruses,
> visit Panda Software's Virus Encyclopedia at:
> http://www.pandasoftware.com/virus_info/encyclopedia/
>
> ------------------------------------------------------------


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