ELF x86 - Format String Bug Basic 3

35 Points

Another way to exploit a format string bug

Author

Lyes, 27 May 2015

Level

Validations

1116 Challengers 1%

Note

105 Votes

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2 Solutions

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Challenge Results

Pseudo	Challenge	Lang	Date
Jeyanthan	ELF x86 - Format String Bug Basic 3		26 June 2022 at 04:49
RvSupTo	ELF x86 - Format String Bug Basic 3		25 June 2022 at 01:25
3lectro	ELF x86 - Format String Bug Basic 3		24 June 2022 at 22:49
lolo42	ELF x86 - Format String Bug Basic 3		20 June 2022 at 18:23
garigouster	ELF x86 - Format String Bug Basic 3		18 June 2022 at 11:36
Aniki	ELF x86 - Format String Bug Basic 3		7 June 2022 at 23:08
Raphgui	ELF x86 - Format String Bug Basic 3		2 June 2022 at 15:48
T0t0r0	ELF x86 - Format String Bug Basic 3		30 May 2022 at 21:46
avan-pra	ELF x86 - Format String Bug Basic 3		30 May 2022 at 18:37
lmontagn	ELF x86 - Format String Bug Basic 3		27 May 2022 at 18:56

84 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	ELF x86 - Stack buffer overflow basic 1	8% 18652	5		Lyes		11	25 March 2015
	ELF x86 - Stack buffer overflow basic 2	6% 13336	10		Lyes		10	10 April 2015
	PE32 - Stack buffer overflow basic	1% 1477	10		Ech0		8	3 December 2019
	ELF x86 - Format string bug basic 1	4% 8423	15		Lu33Y		6	8 February 2012
	ELF x64 - Stack buffer overflow - basic	3% 6472	20		Arod		7	31 May 2015
	ELF x86 - Format string bug basic 2	2% 4263	20		Lyes		5	8 April 2015
	ELF x86 - Race condition	3% 5534	20		Lu33Y		10	8 February 2012
	ELF ARM - Stack buffer overflow - basic	1% 1200	25		pickle		7	9 March 2017
	ELF MIPS - Stack buffer overflow - No NX	1% 428	25		franb		2	28 September 2018
	ELF x64 - Double free	1% 435	25		Esad		1	23 March 2021
	ELF x86 - Stack buffer overflow basic 3	2% 4253	25		Lyes		4	10 April 2015
	ELF x86 - Use After Free - basic	1% 1363	25		Esad		3	26 May 2019
	ELF ARM - Stack Spraying	1% 222	30		pickle		4	2 April 2017
	ELF x64 - Stack buffer overflow - PIE	1% 533	30		HomardBoy		2	26 March 2021
	ELF x86 - BSS buffer overflow	2% 3764	30		Lu33Y		7	8 February 2012
	ELF x86 - Stack buffer overflow basic 4	1% 2570	30		Lu33Y		5	8 February 2012
	ELF x86 - Stack buffer overflow basic 6	1% 2534	30		TiWim		5	10 March 2016
	ELF x86 - Format String Bug Basic 3	1% 1118	35		Lyes		2	27 May 2015
	PE32 - Advanced stack buffer overflow	1% 185	35		Ech0		4	3 December 2019
	ELF ARM - Basic ROP	1% 647	40		pickle		5	11 March 2017
	ELF MIPS - Basic ROP	1% 129	40		dagger		1	7 October 2018
	ELF x86 - Stack buffer overflow - C++ vtables	1% 786	40		sebbb		2	20 July 2015
	PE32+ Format string bug	1% 82	45		Ech0		1	3 December 2019
	ELF x64 - Logic bug	1% 175	50		sbrk		3	8 July 2017
	ELF x86 - Bug Hunting - Several issues	1% 96	50		sbrk		2	19 January 2018
	ELF x86 - Stack buffer and integer overflow	1% 1772	50		Lu33Y		4	8 February 2012
	ELF x86 - Stack buffer overflow - ret2dl_resolve	1% 252	50		kikko		2	28 February 2019
	ELF x86 - Stack buffer overflow basic 5	1% 1652	50		Lu33Y		1	8 February 2012
	ELF x64 - Stack buffer overflow - advanced	1% 1182	55		Arod		4	5 June 2015
	ELF MIPS - Format String Glitch	1% 57	60		pickle		1	21 October 2018
	ELF x64 - Heap Filling	1% 35	60		voydstack		0	27 May 2021
	ELF x86 - Information leakage with Stack Smashing Protector	1% 796	60		Arod		2	20 May 2015
	ELF x64 - File Structure Hacking	1% 39	65		nobodyisnobody		0	27 May 2021
	ELF ARM - Race condition	1% 125	70		pickle		1	3 June 2017
	ELF x64 - Browser exploit - Intro	1% 69	70		pickle		1	2 November 2018
	ELF x64 - Buggy VM	1% 16	70		NonStandardModel		0	10 June 2022
	ELF x64 - Heap Safe-Linking Bypass	1% 23	70		nobodyisnobody		0	22 October 2021
	ELF x64 - ret2dl_init	1% 24	70		kikko		0	27 May 2021
	ELF x86 - Out of bounds attack - French Paradox	1% 100	70		sbrk		3	17 September 2017
	ELF x86 - Remote BSS buffer overflow	1% 726	75		Tosh		1	6 February 2012
	ELF x86 - Remote Format String bug	1% 908	75		Tosh		2	6 February 2012
	PE32+ Basic ROP	1% 46	75		Ech0		0	6 December 2019
	ELF x64 - Remote heap buffer overflow - fastbin	1% 257	80		franb		1	5 February 2017
	ELF x86 - Blind remote format string bug	1% 288	80		Lyes		2	8 June 2015
	LinKern ARM - vulnerable syscall	1% 136	85		pickle		0	22 March 2017
	LinKern x86 - Buffer overflow basic 1	1% 451	85		franb		3	16 February 2016
	LinKern x86 - Null pointer dereference	1% 438	90		franb		0	16 February 2016
	LinKern x64 - Race condition	1% 292	95		franb		3	16 February 2016
	ELF ARM - Alphanumeric shellcode	1% 40	100		pickle		2	16 March 2017
	ELF MIPS - URLEncoded Format String bug	1% 25	100		pickle		0	7 October 2018
	ELF x86 - Hardened binary 1	1% 686	100		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 2	1% 543	100		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 3	1% 333	100		sm0k		1	11 February 2012
	ELF x86 - Hardened binary 4	1% 376	100		sm0k		2	11 February 2012
	LinKern MIPSel - Vulnerable ioctl	1% 52	100		pickle		0	23 October 2018
	LinKern x64 - reentrant code	1% 159	100		franb		2	1 March 2016
	ELF ARM - Heap format string bug	1% 72	105		franb		1	3 June 2017
	ELF x64 - Sigreturn Oriented Programming	1% 237	105		Arod		4	25 June 2015
	ELF ARM - Format String bug	1% 81	110		pickle		2	14 March 2017
	ELF ARM - Use After Free	1% 86	110		pickle		0	22 March 2017
	ELF x64 - FILE structure hijacking	1% 27	110		voydstack		3	27 May 2021
	ELF x64 - Heap feng-shui	1% 66	110		laxa		2	4 August 2017
	ELF x64 - Off-by-one bug	1% 128	110		NeedToLearn		2	19 May 2016
	ELF x86 - Hardened binary 5	1% 290	110		sm0k		1	11 February 2012
	LinKern ARM - Stack Overflow	1% 55	110		pickle		0	24 July 2017
	LinKern x86 - basic ROP	1% 240	110		franb		3	6 May 2016
	ELF ARM - Heap Off-by-One	1% 52	115		pickle		1	11 March 2017
	ELF x64 - Remote Heap buffer overflow 1	1% 153	115		Tosh		3	26 June 2015
	ELF x86 - Hardened binary 6	1% 275	115		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 7	1% 226	115		Tosh		3	21 January 2013
	ELF x86 - Remote stack buffer overflow - Hardened	1% 151	115		franb		1	17 August 2016
	LinKern x64 - RowHammer	1% 70	115		pickle		1	17 March 2019
	LinKern x64 - SLUB off-by-one	1% 55	115		Tosh		2	9 May 2019
	ELF ARM - Heap buffer overflow - Wilderness	1% 33	120		pickle		1	25 March 2017
	ELF ARM - Heap Overflow	1% 39	120		pickle		1	2 April 2017
	ELF x64 - Seccomp Whitelist	1% 57	120		pickle		0	3 June 2017
	ELF x86 - Blind ROP	1% 121	120		franb		0	9 October 2016
	LinKern x64 - Memory exploration	1% 105	120		franb		1	27 July 2016
	WinKern x64 - Advanced stack buffer overflow - ROP	1% 26	120		__syscall		1	27 January 2020
	WinKern x64 - Use After Free	1% 18	120		__syscall		0	27 January 2020
	ELF x64 - Remote Heap buffer overflow 2	1% 117	130		Tosh		1	1 July 2015
	ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified	1% 17	135		nobodyisnobody		1	27 May 2021
	ELF x64 - Blind ROP	1% 91	135		franb		1	10 March 2018
	ELF x64 - Browser exploit - BitString	1% 30	135		pickle		0	15 December 2018