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Author

 Robert Graham

Profile of Robert Graham

News & Commentary Posts: 10
Articles by Robert Graham

How To Hack A Brazilian Power Company

11/17/2009
The recent "60 Minutes" story claiming hackers had caused power outages in Brazil was (likely) bogus, but that doesn't mean hackers can't do this. The story got widespread coverage in the Brazilian press, which meant hackers there were suddenly interested in the subject. And just days later, chatter appeared on Brazilian hacker Websites expressing interest in ONS, the Website of Brazil's national power grid operator.

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Partially Spilled COFEE

11/10/2009
It turns out the version of COFEE (Computer Online Forensic Evidence Extractor) posted to BitTorrent sites is incomplete: It contains only 45 commands, whereas Microsoft claims the tool executes more than 150 commands. It grabs neither browser history nor password hashes. It runs only built-in Windows commands, sysinternals tools, and resource kit tools.

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WiFi = Mobile Phone

11/6/2009
Traditionally, we've thought of WiFi as the way we connect to the Internet from our notebook computers. This is rapidly changing, with definite implications for security pros.

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PHPBB Password Analysis

2/6/2009
A popular Website, phpbb.com, was recently hacked. The hacker published approximately 20,000 user passwords from the site. This is like candy to us security professionals because it's hard data we can use to figure out how users choose passwords. I wrote a program to analyze these passwords looking for patterns, and came up with some interesting results.

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How Hackers Will Crack Your Password

1/21/2009
I've been cracking passwords lately for pen tests, and I'm surprised at how corporate guidelines don't really help people choose passwords. As in many places in security, a disconnect exists between how people secure systems and how hackers break systems. So the following is a brief description of what hackers do (or, at least, what I do when pen-testing systems).

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IE7 Zero-Day Lessons

12/19/2008
The recent zero-day IE7 vulnerability is a big deal. Hackers used it to hack into hundreds of thousands of machines, if not millions. Both IE7 and Vista are vastly more secure than their predecessors, yet this bug sliced right through them to give the hacker a robust exploit. We need to do a post mortem of this event to figure out what we should do in the future.

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Bending Skein Code

11/6/2008
Few of the submissions to NIST's hash standard contest have been optimized for desktop/server processors. One, though, known as Skein, seems to have considered this. It is designed specifically to run well on Intel Core 2 processors -- without sacrificing speed on other processors or security.

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COVID-19: Latest Security News & Commentary
Dark Reading Staff 6/1/2020
Stay-at-Home Orders Coincide With Massive DNS Surge
Robert Lemos, Contributing Writer,  5/27/2020
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CVE-2020-13659
PUBLISHED: 2020-06-02
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
CVE-2020-10703
PUBLISHED: 2020-06-02
A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in libvirt 6.0.0, for fetching a storage pool based on its target path. In more detail, this flaw affects storage pools created without a target path such as network-based pools like ...
CVE-2020-10739
PUBLISHED: 2020-06-02
Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could trigger a Null Pointer Exception resulting in a Denial of Service. This could be sent to the ingress gateway or a sidecar, ...
CVE-2020-10136
PUBLISHED: 2020-06-02
Multiple products that implement the IP Encapsulation within IP standard (RFC 2003, STD 1) decapsulate and route IP-in-IP traffic without any validation, which could allow an unauthenticated remote attacker to route arbitrary traffic via an exposed network interface and lead to spoofing, access cont...
CVE-2020-13757
PUBLISHED: 2020-06-01
Python-RSA 4.0 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing exces...