PE32+ Format string bug

45 Points

Exploitation of a PE format string bug

Author

Ech0, 3 December 2019

Level

Validations

98 Challengers 1%

Note

27 Votes

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Challenge Results

Pseudo	Challenge	Lang	Date
ENOENT	PE32+ Format string bug		20 August 2023 at 13:41
z6po	PE32+ Format string bug		6 August 2023 at 13:14
redoste	PE32+ Format string bug		11 July 2023 at 22:20
dxdx	PE32+ Format string bug		10 June 2023 at 22:02
blackndoor	PE32+ Format string bug		14 April 2023 at 13:20
Booster21	PE32+ Format string bug		18 March 2023 at 23:41
EyeXion	PE32+ Format string bug		10 March 2023 at 19:58
aliamelo	PE32+ Format string bug		2 March 2023 at 11:40
n00k	PE32+ Format string bug		10 February 2023 at 20:43
jusb3	PE32+ Format string bug		9 January 2023 at 20:25

88 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	ELF x86 - Stack buffer overflow basic 1	8% 21243	5		Lyes		11	25 March 2015
	ELF x64 - Basic heap overflow	1% 843	10		sourcePerrier		1	13 February 2023
	ELF x86 - Stack buffer overflow basic 2	5% 15032	10		Lyes		10	10 April 2015
	PE32 - Stack buffer overflow basic	1% 1948	10		Ech0		8	3 December 2019
	ELF x86 - Format string bug basic 1	4% 9409	15		Lu33Y		6	8 February 2012
	ELF x64 - Stack buffer overflow - basic	3% 7228	20		Arod		7	31 May 2015
	ELF x86 - Format string bug basic 2	2% 4819	20		Lyes		5	8 April 2015
	ELF x86 - Race condition	3% 6069	20		Lu33Y		10	8 February 2012
	ELF ARM - Stack buffer overflow - basic	1% 1277	25		pickle		7	9 March 2017
	ELF MIPS - Stack buffer overflow - No NX	1% 501	25		franb		2	28 September 2018
	ELF x64 - Double free	1% 796	25		Esad		2	23 March 2021
	ELF x86 - Stack buffer overflow basic 3	2% 4795	25		Lyes		4	10 April 2015
	ELF x86 - Use After Free - basic	1% 1701	25		Esad		3	26 May 2019
	ELF ARM - Stack Spraying	1% 250	30		pickle		4	2 April 2017
	ELF x64 - Stack buffer overflow - PIE	1% 900	30		HomardBoy		2	26 March 2021
	ELF x86 - BSS buffer overflow	2% 4107	30		Lu33Y		7	8 February 2012
	ELF x86 - Stack buffer overflow basic 4	1% 2818	30		Lu33Y		5	8 February 2012
	ELF x86 - Stack buffer overflow basic 6	1% 2890	30		TiWim		5	10 March 2016
	ELF x86 - Format String Bug Basic 3	1% 1265	35		Lyes		2	27 May 2015
	PE32 - Advanced stack buffer overflow	1% 224	35		Ech0		4	3 December 2019
	ELF ARM - Basic ROP	1% 722	40		pickle		5	11 March 2017
	ELF MIPS - Basic ROP	1% 164	40		dagger		1	7 October 2018
	ELF RISC-V - Intro - let’s do the ROP	1% 49	40		nobodyisnobody		1	13 February 2023
	ELF x86 - Stack buffer overflow - C++ vtables	1% 887	40		sebbb		2	20 July 2015
	PE32+ Format string bug	1% 98	45		Ech0		1	3 December 2019
	ELF x64 - Logic bug	1% 222	50		sbrk		3	8 July 2017
	ELF x86 - Bug Hunting - Several issues	1% 117	50		sbrk		3	19 January 2018
	ELF x86 - Stack buffer and integer overflow	1% 1921	50		Lu33Y		4	8 February 2012
	ELF x86 - Stack buffer overflow - ret2dl_resolve	1% 344	50		kikko		3	28 February 2019
	ELF x86 - Stack buffer overflow basic 5	1% 1792	50		Lu33Y		1	8 February 2012
	ELF x64 - Stack buffer overflow - advanced	1% 1343	55		Arod		4	5 June 2015
	ELF MIPS - Format String Glitch	1% 74	60		pickle , martin		1	21 October 2018
	ELF x64 - Heap Filling	1% 83	60		voydstack		0	27 May 2021
	ELF x86 - Information leakage with Stack Smashing Protector	1% 880	60		Arod		2	20 May 2015
	ELF x64 - File Structure Hacking	1% 79	65		nobodyisnobody		0	27 May 2021
	ELF ARM - Race condition	1% 139	70		pickle		1	3 June 2017
	ELF x64 - Browser exploit - Intro	1% 96	70		pickle		1	2 November 2018
	ELF x64 - Buggy VM	1% 52	70		NonStandardModel		0	10 June 2022
	ELF x64 - Heap Safe-Linking Bypass	1% 62	70		nobodyisnobody		0	22 October 2021
	ELF x64 - ret2dl_init	1% 37	70		kikko		0	27 May 2021
	ELF x86 - Out of bounds attack - French Paradox	1% 120	70		sbrk		3	17 September 2017
	ELF x86 - Remote BSS buffer overflow	1% 754	75		Tosh		1	6 February 2012
	ELF x86 - Remote Format String bug	1% 957	75		Tosh		2	6 February 2012
	PE32+ Basic ROP	1% 66	75		Ech0		0	6 December 2019
	ELF x64 - Remote heap buffer overflow - tcache	1% 294	80		franb		1	5 February 2017
	ELF x86 - Blind remote format string bug	1% 321	80		Lyes		2	8 June 2015
	LinKern ARM - vulnerable syscall	1% 157	85		pickle		0	22 March 2017
	LinKern x86 - Buffer overflow basic 1	1% 508	85		franb		3	16 February 2016
	LinKern x86 - Null pointer dereference	1% 485	90		franb		1	16 February 2016
	LinKern x64 - Race condition	1% 327	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% 32	100		pickle		0	7 October 2018
	ELF x86 - Hardened binary 1	1% 764	100		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 2	1% 610	100		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 3	1% 365	100		sm0k		1	11 February 2012
	ELF x86 - Hardened binary 4	1% 430	100		sm0k		2	11 February 2012
	LinKern MIPSel - Vulnerable ioctl	1% 63	100		pickle		0	23 October 2018
	LinKern x64 - reentrant code	1% 182	100		franb		2	1 March 2016
	ELF ARM - Heap format string bug	1% 78	105		franb		1	3 June 2017
	ELF x64 - Sigreturn Oriented Programming	1% 272	105		Arod		4	25 June 2015
	ELF ARM - Format String bug	1% 86	110		pickle		2	14 March 2017
	ELF ARM - Use After Free	1% 94	110		pickle		0	22 March 2017
	ELF x64 - FILE structure hijacking	1% 49	110		voydstack		3	27 May 2021
	ELF x64 - Heap feng-shui	1% 81	110		laxa		2	4 August 2017
	ELF x64 - Off-by-one bug	1% 143	110		NeedToLearn		2	19 May 2016
	ELF x86 - Hardened binary 5	1% 334	110		sm0k		1	11 February 2012
	LinKern ARM - Stack Overflow	1% 63	110		pickle		0	24 July 2017
	LinKern x86 - basic ROP	1% 274	110		franb		3	6 May 2016
	ELF ARM - Heap Off-by-One	1% 56	115		pickle		1	11 March 2017
	ELF x64 - Remote Heap buffer overflow 1	1% 177	115		Tosh		3	26 June 2015
	ELF x86 - Hardened binary 6	1% 311	115		sm0k		3	11 February 2012
	ELF x86 - Hardened binary 7	1% 264	115		Tosh		3	21 January 2013
	ELF x86 - Remote stack buffer overflow - Hardened	1% 180	115		franb		1	17 August 2016
	LinKern x64 - RowHammer	1% 92	115		pickle		2	17 March 2019
	LinKern x64 - SLUB off-by-one	1% 82	115		Tosh		2	9 May 2019
	ELF ARM - Heap buffer overflow - Wilderness	1% 37	120		pickle		1	25 March 2017
	ELF ARM - Heap Overflow	1% 44	120		pickle		1	2 April 2017
	ELF ARM64 - Heap Underflow	1% 12	120		nobodyisnobody		0	13 February 2023
	ELF x64 - Seccomp Whitelist	1% 74	120		pickle		0	3 June 2017
	ELF x86 - Blind ROP	1% 142	120		franb		0	9 October 2016
	LinKern x64 - Memory exploration	1% 131	120		franb		2	27 July 2016
	WinKern x64 - Advanced stack buffer overflow - ROP	1% 36	120		__syscall , Synacktiv		1	27 January 2020
	WinKern x64 - Use After Free	1% 23	120		__syscall , Synacktiv		0	27 January 2020
	ELF x64 - Remote Heap buffer overflow 2	1% 135	130		Tosh , Fritz		1	1 July 2015
	ELF x64 - Advanced Heap Exploitation - Heap Leakless & Fortified	1% 33	135		nobodyisnobody		1	27 May 2021
	ELF x64 - Blind ROP	1% 107	135		franb		1	10 March 2018
	ELF x64 - Browser exploit - BitString	1% 37	135		pickle		0	15 December 2018
	ELF ARM64 - Multithreading	1% 10	140		franb		0	13 February 2023