Saturday, May 07, 2011

Ubuntu 10.10->11.04 encrypted LVM fail, rebuilding initramfs, rdinit

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One of my workstations was an Ubuntu 10.10 on an encrypted LVM . I decided to upgrade to 11.04 and was unable to boot, falling back to init...
1 comment:
Friday, April 29, 2011

pCTF 2011 #18 A small bug

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Challenge #18 "A small bug" was a common TOCCTOU bug very interesting to exploit reliably. @hellman already did a write-up on...
4 comments:
Wednesday, April 27, 2011

pCTF 2011 #19 Another small bug

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Challenge #19 "Another small bug" was a stack-based buffer overflow. Djo ( @shell_storm ) has already published a write-up ( e...
4 comments:
Tuesday, April 26, 2011

pCTF 2011 #26 Hashcalc2

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Challenge #26 "Hashcalc2" was very similar to Hashcalc1 . Again, a good write-up is already available on sleepya's blog . He...

pCTF 2011 #22 Hashcalc1

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Challenge #22 "Hashcalc 1" was binary exploitation over the network. A good write-up is already available on sleepya's blog ...

pCTF 2011 #32 That's no bluetooth

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The only networking problem at pCTF 2011 was unusual because it involved ZigBee , based on IEEE 802.15.4 . Context We captured this networ...
4 comments:
Monday, April 25, 2011

Plaid Parliament of Pwning CTF 2011

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As @dinodaizovi nicely put on twitter , CTF team Plaid Parliament of Pwning have gone from winning everyone else's CTFs to hosting the...
1 comment:
Monday, April 11, 2011

Hackito Ergo Sum 2011

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Hackito Ergo Sum ( @hackitoergosum ) 2011 edition was held in Paris, France from April 7th to 10th. Three days of technical talks, like las...
Wednesday, March 30, 2011

CRC-32 forging

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You may already know that the CRC-32 of any text can be forged if you can add 4 bytes anywhere in the text. See anarchriz's paper on t...
3 comments:
Saturday, March 26, 2011

Honeynet Project Public Conference

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Last week was held the first-ever Honeynet project public conference in Paris at ESIEA . Great speakers, interesting conferences ( slides ...
2 comments: