Re: /proc filesystem allows bypassing directory permissions on Linux

2009-10-29 Thread Glynn Clements
(O_RDONLY fails with EPERM, anything else fails with EISDIR). -- Glynn Clements gl...@gclements.plus.com

Re: /proc filesystem allows bypassing directory permissions on Linux

2009-10-26 Thread Glynn Clements
later. It needs to be created with the restrictive permissions from the outset. -- Glynn Clements gl...@gclements.plus.com

Re: Re: MS Internet Explorer 7 Denial Of Service Exploit

2008-11-24 Thread Glynn Clements
. JavaScript (although for Firefox, you would probably want the limit to only be applied to external JavaScript, given that much of the browser itself is written in JavaScript). -- Glynn Clements [EMAIL PROTECTED]

Re: Has anyone implemented double forward DNS?

2008-09-03 Thread Glynn Clements
problem I can see is that it's not at all uncommon to have dozens or even hundreds of hostnames all resolve to a single IP address belonging to a shared server. Requesting a PTR record for that IP address typically isn't going to give you the hostname you started with. -- Glynn Clements [EMAIL

Re: function sleep() in all versions of PHP

2008-05-28 Thread Glynn Clements
to bare-bones POSIX (no capabilities, or extensions such as SELinux or RSBAC), the set of features is rather lacking in this regard. -- Glynn Clements [EMAIL PROTECTED]

Re: Re[2]: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype

2007-10-09 Thread Glynn Clements
is a workaround (mitigation strategy), not a fix. -- Glynn Clements [EMAIL PROTECTED]

Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

2007-08-20 Thread Glynn Clements
the actual initiator probably isn't feasible, so clearing PDEATHSIG on setuid exec() is probably the only viable solution. -- Glynn Clements [EMAIL PROTECTED]

Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

2007-08-17 Thread Glynn Clements
is a security issue regardless of whether or not one can provide a useful scenario immediately upon the issue becoming known. -- Glynn Clements [EMAIL PROTECTED]

Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

2007-08-16 Thread Glynn Clements
extension that programmers won't have heard of and won't be expecting to have to manually reset. -- Glynn Clements [EMAIL PROTECTED]

Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

2007-08-16 Thread Glynn Clements
for a setuid/setgid program to *exhaustively* sanitise (or at least validate) its operating environment. -- Glynn Clements [EMAIL PROTECTED]

Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

2007-08-15 Thread Glynn Clements
the parent death signal). But the suggestion that this should be reset on exec() (at least for a suid/sgid binary) is sound, IMHO. Moreover, I would suggest that exec()ing a suid/sgid binary should reset *everything* which is not explicitly specified as being preserved. -- Glynn Clements [EMAIL

RE: Defeating Citibank Virtual Keyboard protection using screenshot method

2007-05-15 Thread Glynn Clements
to the secure device, which realistically requires a better communication channel than a keypad. -- Glynn Clements [EMAIL PROTECTED]

Re: [ GLSA 200611-03 ] NVIDIA binary graphics driver: Privilege escalation vulnerability

2006-11-14 Thread Glynn Clements
the built-in software renderer. -- Glynn Clements [EMAIL PROTECTED]

Re: Vulnerabilites in new laws on computer hacking

2006-02-17 Thread Glynn Clements
legitimate pen-testing difficult. It may not be possible to simply outsource pen-testing to a country where such tools are legal (e.g. due to laws restricting the transfer of sensitive data abroad). -- Glynn Clements [EMAIL PROTECTED]

Re: Cross Site Cooking

2006-02-04 Thread Glynn Clements
the cookie. IOW, a protocol change. Anything else is papering over the cracks. -- Glynn Clements [EMAIL PROTECTED]

Re: Linux, too, sot of (Windows MS-DOS Device Name DoS vulnerabilities)

2001-07-19 Thread Glynn Clements
the act of opening a device under Windows can have undesirable side effects? -- Glynn Clements [EMAIL PROTECTED]

RE: Webtrends HTTP Server %20 bug

2001-06-08 Thread Glynn Clements
-byte sequences have the (binary) form: 110x 10xx The range 0-127 (which must use the single-byte form instead) corresponds to: 110x 10xx Hence, any sequence beginning with 1100 (0xC0) or 1101 (0xC1) is illegal. -- Glynn Clements [EMAIL PROTECTED]

Re: RUS-CERT Advisory 200004-01: GNU Emacs 20

2000-04-20 Thread Glynn Clements
ur $TMPDIR, so there shouldn't be any need to use public directories. 3.3. Problem Functions like read-passwd do not clear the the history of recently typed keys. In fact, there is no way to do that from Emacs Lisp. Ditto for XEmacs. -- Glynn Clements [EMAIL PROTECTED]

Re: WordPad/riched20.dll buffer overflow

1999-11-29 Thread Glynn Clements
y write to the stack/data segment then execute the code via the code segment (return addresses are implicitly relative to the code segment). -- Glynn Clements [EMAIL PROTECTED]