'Buffer overflow stack' diaporamas de présentation

Machine-Level Programming V: Miscellaneous Topics Feb 10, 2004

512 views • 38 slides

Machine-Level Programming V: Miscellaneous Topics October 2, 2008

Machine-Level Programming V: Miscellaneous Topics October 2, 2008. CISC 360. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

343 views • 34 slides

Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002

448 views • 33 slides

Machine-Level Programming V: Miscellaneous Topics

Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. class09.ppt. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

449 views • 33 slides

Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002

Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002. CSC 333. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

415 views • 33 slides

Machine-Level Programming V: Miscellaneous Topics Apr 24, 2006

Machine-Level Programming V: Miscellaneous Topics Apr 24, 2006. CS213. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

438 views • 33 slides

Machine-Level Programming V: Miscellaneous Topics Sept. 23, 2003

335 views • 33 slides

Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. X86.5a.ppt. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

411 views • 28 slides

Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. (Stack). C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

396 views • 28 slides

Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. (Stack). C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

370 views • 27 slides

Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. Stack. C0. BF. (Stack). 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

371 views • 27 slides

Machine-Level Programming V: Miscellaneous Topics

Machine-Level Programming V: Miscellaneous Topics. CS 367. Topics Buffer Overflow Floating Point Code. lecture13.ppt. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999

380 views • 25 slides

Machine-Level Programming Advanced Topics

Machine-Level Programming Advanced Topics. Topics Buffer Overflow. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999 Microsoft launches MSN Messenger (instant messaging system).

226 views • 22 slides

The Hardware/Software Interface CSE351 Winter 2013

291 views • 20 slides

Buffer overflows

Buffer overflows. Address space layout Input buffers on the stack Overflowing buffers and injecting code Defenses against buffer overflows. not drawn to scale. IA32 Linux Memory Layout. FF. Stack. 8MB. Stack Runtime stack (8MB limit) Heap Dynamically allocated storage

506 views • 20 slides

Stack Buffer Overflows

Stack Buffer Overflows. Advanced Systems Programming. Topics How stack buffer overflow exploits work Examples of real exploits. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999

312 views • 19 slides

Buffer Overflow Stack

Stack Frame for main. Return Address. Saved %ebp. %ebp. [3]. [2]. [1]. [0]. buf. Stack Frame for echo. Buffer Overflow Stack. /* Echo Line */ void echo() { char buf[4]; /* Way too small! */ gets(buf); puts(buf); }.

253 views • 6 slides