A vulnerability which is known to the designers, implementers, or operators of the system, but has not been corrected.
12
votes
5answers
765 views
Is Google Chrome a better secured browser?
I was amazed that IE 8, Safari, Firefox were hacked so fast. Is it really Chrome so good or it was not tested?
Has anyone other results of independent investigations about security of web browsers?
...
3
votes
2answers
127 views
Vulnerability testing without the use of exploits?
I was doing some testing on a server to see if it was vulnerable to a 0-day local exploit (the exploit was for gaining root privileges using a bug in the Linux kernel). There was no real information ...
3
votes
1answer
79 views
Vim Modeline Vulnerabilities
I use vim and have a use case for modelines. A modeline means that vim will parse a textfile for lines like:
# vim: set someoption=somevalue
and will then set those options. This is awesome if ...
7
votes
4answers
980 views
What kind of attack was this?
So our website was hacked, and these are the things that were done:
Some entries in the database were changed. I don't know if this was via SQL injection, or direct database access (only root is ...
18
votes
0answers
568 views
Where can I find a vulnerable operating system to practice pentests on? [duplicate]
I am looking for vulnerable operating systems that are used for practicing pentests. Damn Vulnerable Linux (DVL) is not maintained anymore. Are there any other simillar OS´s to download somewhere that ...
13
votes
3answers
249 views
Risks of Mullions in High Security Areas
I have a storage space full of information assets. The room itself is sound; there are no windows, the walls go all the ceiling, and there is only a single entrance with two good stout doors and high ...
-4
votes
1answer
101 views
Breaking into your own systems [closed]
So as security professionals, most are overly paranoid about external hackers, leaks, etc. I'm looking for ideas on how one would go about testing their own systems, without signs that they were ...
5
votes
1answer
214 views
.JPEG File upload shell via EXIF comments
I came across this advisory recently and I'm a bit confused by both exploits, but specifically the file upload vulnerability.
I don't understand how to actually exploit this condition (or even why ...
6
votes
3answers
191 views
I work on an open source project. Is there a “standard” to reporting security vulnerabilities that we can use?
I work on an (intentionally undisclosed) open source project. To the best of my knowledge, we do not have a discoverable policy on reporting security vulnerabilities.
Rails has their own policy ...
4
votes
1answer
89 views
Switching to new encryption method (without losing data?)
Let's say you have a website that provides a service of some kind. Users can log in, they can store some kind of data, and there's various types of encryption in place to keep it all safe. Passwords ...
4
votes
3answers
645 views
How can I report PCI-DSS violations?
A large supermarket chain in the UK, are storing their passwords in plaintext. Apparently, Mastercard's security department are already involved. I'd like to report them for violating PCI-DSS, since ...
6
votes
2answers
331 views
SQL Injection: Drop All Tables
I used some vulnerability scanners to check a site of mine, and an instance of blind SQL injection was returned. However, when I try to exploit this vulnerability by entering the following into the ...
-2
votes
1answer
81 views
Why isn't AV software configured to recognize installed program vulnerabilities?
Background (not necessary to read):
I've used a few different major AV programs day-to-day over the years, and not one has ever informed me I was running code with known vulnerabilities.
Not only ...
1
vote
1answer
85 views
XSS MySQL Database Accessible?
I'd like to know if there is any danger of someone being able to access the database via XSS vulnerabilities on this page.
I have the following link. When you go to this link, the text I've enclosed ...
33
votes
5answers
1k views
Why is application crash considered insecure?
If an application crashes, the program stops and there is nothing anyone can do about it, other than starting the program again.
Crash is a bad behaviour in general and should be avoided, but why are ...
7
votes
4answers
7k views
Security issues with allowing Dropbox installations on client PC's in our organisation
Does anyone know if there is any good reasons not to allow Dropbox installations on our client PC's? All the PC's have antivirus installed and running. I know it is an additional attack vector to ...
5
votes
2answers
188 views
Software security V.S Hardware security
In theory, perfect software applications are possible but in real life, they don't exist. When attackers know the software, they can send payloads to exploit vulnerabilities and run any arbitrary code ...
3
votes
4answers
213 views
FireFox's restore previous session restores logins authenticated by server's sessions
In a website I'm building when I login, close FireFox, open FireFox and try to go to the website again I must login again (as expected) BUT if I select "Restore Previous Session" I am logged in again. ...
1
vote
1answer
55 views
Recognizing malicious URL attempts against your website
On serveral websites I've run, I periodically see URLs run against my servers that look like this:
/url_result?ctw_=sT,een_j...tdmlydXMtc2NhbS1lb........
Does anyone recognize it? I've tried to ...
12
votes
3answers
3k views
Stack Overflows - Defeating Canaries, ASLR, DEP, NX
To prevent buffer overflows, there are several protections available such as using Canary values, ASLR, DEP, NX. But, where there is a will, there is a way. I am researching on the various methods an ...
0
votes
4answers
134 views
Is there a need to define “language safety”?
Language safety is not clearly defined while there're warnings about for instance Java. So how can you say that language is not safe while language safety is not clearly defined? If Java is unsafe ...
3
votes
2answers
505 views
ASP.NET vulnerability CVE-2008-5100 (assembly signing bypass): is there a fix?
The short version of this question is: Is there a fix or mitigation for
the ASP.NET vulnerability
CVE-2008-5100, which allows attackers to bypass assembly digital signature checking?
I'll ...
4
votes
2answers
241 views
Evernote hacked - precautions?
On March 2, 2013, the digital note taking system Evernote was hacked. Evernote has forced new passwords and have released new updates to Windows, Windows phone and iOS of their client software.
...
16
votes
6answers
814 views
is there a guide of general/common IT vulnerabilities?
I'm looking for an updated and comprehensive guide of general/common IT vulnerabilities (general information).
I do not want you to do the job for me, I just want to put me in the right direction: a ...
0
votes
4answers
91 views
Dynamic tools to detect vulnerabilities in software applications written in c?
I am doing a project on detecting vulnerabilities in Windows 7/8 for software applications. Some of which some have source code available and some do not.
Please suggest some technique that can help ...
-1
votes
1answer
1k views
Dropbear SSH server use-after-free vulnerability
"This vulnerability is located within the Dropbear daemon and occurs due
to the way the server manages channels concurrency. A specially crafted
request can trigger a use after free condition which ...
18
votes
6answers
844 views
Why are vulnerabilities and lack of security possible in computers?
I have heard about computer vulnerabilities, virus, malware, etc.
Why are these threats possible?
Why doesn't the computer just do the things it is supposed to?
Why do some people write malware, ...
0
votes
1answer
1k views
my site with joomla 1.5.14 got defaced and I'd like to know how he did it and stop it
I am supposed to manage the content of a site and it got defaced.
The site is hosted on a Linux server running Apache.
Apache version: 2.2.13
Linux version is Debian 4.0(I think I don't really have ...
8
votes
3answers
820 views
How can I mitigate the threat that DPAPick poses to my DPAPI protected data?
The Windows Data Protection API (DPAPI) is the suggested method for storing secrets on Windows systems (such as database passwords required by ASP.Net applications).
DPAPick was presented at BlackHat ...
7
votes
2answers
546 views
How should one prepare himself for a job interview for penetration testing?
So, the title basically says it all. I would really like to hear out some of the more experienced friends here with their answers for this.
Should it revolve around the ability to verbally explain ...
1
vote
2answers
261 views
Is SSH2 still vulnerable to man-in-middle attacks?
With SSH using RSA public key authentication, can an attacker spoof the server IP address and connect with client to obtain client password?
21
votes
3answers
2k views
Should I be disabling Java?
First it was Apple, now it's the US government...
U.S. urges users to disable Java; Apple disables some remotely
New malware exploiting Java 7 in Windows and Unix systems
How serious is this ...
1
vote
2answers
2k views
How does Java 7 update 11 fix the security vulnerability?
There is a new Java released a couple days ago to resolve a hole that was recently discovered.
(Oracle, US-CERT, NVD/NIST)
In my initial reading about this update 11, I saw clearly where it by ...
2
votes
3answers
829 views
Open Source Vulnerability Scanner
I'm looking for an open source vulnerability scanner that I could install on one of my machines and point to all my others. Ideally, I'd be able to configure a nightly scan where all of my other nodes ...
4
votes
3answers
147 views
Risk Control - Ignored risks and accepted risks
Some say that ignored risks as part of an organization's behavior are much worse than accepted risks.
I would like to test that axiom (in the eyes of some).
When I am handling a risk and I choose to ...
2
votes
3answers
319 views
Is OpenSSL secure enough?
We plan in distribute Node.JS webservers, for their advantage of async I/O. The Node.JS https servers use OpenSSL libraries.
It appears that OpenSSL has vulnerabilities resolved on a regular basis. ...
4
votes
2answers
673 views
Fuzzing with SPIKE - the \r\n not being taken into account
I would like to fuzz FTP protocol, and currently I have the following:
s_read_packet();
s_string("USER test\r\n");
s_read_packet();
s_string("PASS test\r\n");
s_read_packet();
I've also tried ...
3
votes
2answers
291 views
Security of NoSQL databases
Hopefully this isn't too broad.
I've got little experience with NoSQL databases, but I know that they are rising in popularity. As a developer that is extremely concerned with security, I'm ...
2
votes
2answers
134 views
Access via http to other protocols and ports!
Our firewall only allows HTTP port 80 but we have detected that a user accesses some other protocols and ports that we deny in our firewall.
We know that he has developed an application (Console ...
5
votes
3answers
136 views
Disclosure in potential loss-of-life situations, with an uncooperative vendor
I recently discovered a publicly accessible web interface to a highly sensitive bit of lab equipment, the malfunction of which would result in potential loss of life or serious health concerns to a ...
8
votes
2answers
254 views
Vulnerabilities of Secure Shells
I ssh into my school's engineering computer to submit large programmin projects on a regular basis. Are there any vulnerabilities or worries about using this channel so frequently? What makes a secure ...
0
votes
1answer
230 views
apache mod_isapi public exploits
In public apache mod_isapi exploits, they ask for dlls, and I am unsure what I should put in dll.
I am having a hard time understanding exploits.. How does all of dlls connect to manipulating ...
-1
votes
2answers
170 views
How to increase Windows PowerShell WebAccess security?
What are some recommended techniques to improve the security of powershell?
Google returns many articles about powershell security like these:
PowerShell’s Security Guiding Principles TechNet Edge ...
3
votes
1answer
111 views
How are CVE identifiers assigned and managed?
CVE Identifiers (a.k.a. CVE IDs) are used to uniquely identifier a particular vulnerability. We've all seen them on various bulletins, and they're useful when researching an issue. But how are they ...
0
votes
0answers
32 views
Source(s) for getting listed vulnerabilities? [closed]
As I know cve.mitre.org, is one major source from which we can get to know all the listed vulnerabilities (new and old).
Are there any other such sites or databases available?
Also, if I want ...
0
votes
0answers
111 views
Examples of vulnerabilities being changed in only one (of many) places [closed]
I'm looking into source code analysis and was wondering if folks know of examples, in open source projects, of vulnerabilities where there were multiple "very similar" vulnerabilities in the same ...
0
votes
2answers
90 views
OpenLDAP version 2.4.24 at risk? Site to check for known vulnerabilities with version used?
We use OpenLDAP version 2.4.24
$ /usr/local/libexec/slapd -VV
@(#) $OpenLDAP: slapd 2.4.24 (Mar 5 2011 06:36:43) $
steve@sunblade2500:/bigdisk/SOURCES/S10/openldap-2.4.24/servers/slapd
...
3
votes
2answers
323 views
Not clear on ssl renegotiation vulnerabilty
When we read about TLS Renegotiation vulnerability, does it mean that a server is not supposed to ever accept renegotiation during a secure connection?
I thought that by renegotiation security is ...
4
votes
4answers
356 views
Is not checking the src url a vulnerability?
By using a system of special tags you can allow users to add custom images, for example, tags like [img]user_url[/img]. Then you replace the tags by their real HTML tags like <img src="user_url" ...
0
votes
0answers
284 views
Exploit Double free() Vulnerability PoC [closed]
I don't understand about this bug very much
This is something that I know about this bug
If use free() with freed pointer it can trigged this bug
Need to have at least 2 pointer with allocate memory
...
