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vuln research

Category

Points

Author

OSINT

45

q

qvipin

Solves (122)

1Profile Picture for unpwnblunpwnbl12/08 3:14 pm
2Profile Picture for dharneesh5555dharneesh555512/08 3:16 pm
3Profile Picture for _vow__vow_12/08 3:19 pm
4Profile Picture for minipifminipif12/08 3:22 pm
5Profile Picture for batterseabattersea12/08 3:30 pm
6Profile Picture for ShrelicShrelic12/08 3:41 pm
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10Profile Picture for godlyavengergodlyavenger12/08 4:01 pm
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12Profile Picture for a_person9852a_person985212/08 4:13 pm
13Profile Picture for _4n3s_4n3s12/08 5:11 pm
14Profile Picture for jokzyzjokzyz12/08 6:01 pm
15Profile Picture for zzunaidd023zzunaidd02312/08 8:47 pm
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17Profile Picture for fandikaesafandikaesa12/08 8:50 pm
18Profile Picture for padelpiero_37023padelpiero_3702312/08 8:50 pm
19Profile Picture for thescientist101thescientist10112/09 12:51 am
20Profile Picture for silence_silence_12/09 3:28 am
21Profile Picture for dailybee13.dailybee13.12/09 5:30 am
22Profile Picture for rsg2.rsg2.12/09 10:30 am
23Profile Picture for amir213.amir213.12/09 12:25 pm
24Profile Picture for raul_26raul_2612/09 2:25 pm
25Profile Picture for booklover997booklover99712/09 3:41 pm
26Profile Picture for mr_mphmr_mph12/09 4:28 pm
27Profile Picture for org_benerorg_bener12/10 12:13 am
28Profile Picture for eth007eth00712/10 1:01 am
29Profile Picture for whofulwhoful12/10 2:51 am
30Profile Picture for ko0pko0p12/10 4:39 am
31Profile Picture for krississykrississy12/10 4:08 pm
32Profile Picture for _avyra_avyra12/10 5:18 pm
33Profile Picture for zarnex__zarnex__12/10 10:07 pm
34Profile Picture for heartstollerheartstoller12/11 9:28 am
35Profile Picture for sleuth123sleuth12312/11 10:41 am
36Profile Picture for theb4tmitetheb4tmite12/11 10:48 am
37Profile Picture for kr4z31nkr4z31n12/11 11:43 am
38Profile Picture for p.s.yp.s.y12/12 11:00 am
39Profile Picture for andreicatandreicat12/14 2:27 pm
40Profile Picture for infernosalexinfernosalex12/14 4:34 pm
41Profile Picture for sanskariwolfsanskariwolf12/15 5:34 am
42Profile Picture for sevgillim_.sevgillim_.12/15 7:18 am
43Profile Picture for mobyduckmobyduck12/15 2:30 pm
44Profile Picture for mbvsthewrldmbvsthewrld12/15 9:11 pm
45Profile Picture for monstermanyana_47633monstermanyana_4763312/15 9:33 pm
46Profile Picture for test123450604test12345060412/16 5:03 am
47Profile Picture for rex_i_arex_i_a12/16 5:16 am
48Profile Picture for athawathaw12/16 8:15 am
49Profile Picture for puwanai.spuwanai.s12/16 10:20 am
50Profile Picture for 33333933333912/16 11:32 am
51Profile Picture for _self_self12/16 4:02 pm
52Profile Picture for f00varf00var12/17 1:53 am
53Profile Picture for .hackboredzz.hackboredzz12/17 7:02 am
54Profile Picture for khavidkhavid12/17 8:32 am
55Profile Picture for masquerade8077masquerade807712/17 1:54 pm
56Profile Picture for trixaitrixai12/17 4:48 pm
57Profile Picture for andreww4364andreww436412/17 5:00 pm
58Profile Picture for kar_bkar_b12/17 7:44 pm
59Profile Picture for georgechkhaidzegeorgechkhaidze12/17 11:36 pm
60Profile Picture for kush001607kush00160712/18 9:58 am
61Profile Picture for damian.28damian.2812/18 10:44 am
62Profile Picture for room2042.room2042.12/18 3:24 pm
63Profile Picture for sneh_87592sneh_8759212/19 2:40 am
64Profile Picture for spectr3spectr312/19 6:06 am
65Profile Picture for mini_waremini_ware12/19 8:25 am
66Profile Picture for awdyan_awdyan_12/19 8:55 am
67Profile Picture for m0ns7erm0ns7er12/19 9:07 am
68Profile Picture for helius1288helius128812/19 10:55 am
69Profile Picture for ots3299ots329912/19 11:26 am
70Profile Picture for rotzkokowskirotzkokowski12/19 5:05 pm
71Profile Picture for ryuun1cornryuun1corn12/20 2:31 am
72Profile Picture for c9550c955012/20 12:41 pm
73Profile Picture for transmitmitransmitmi12/20 5:23 pm
74Profile Picture for carnistascarnistas12/20 5:24 pm
75Profile Picture for 4alisong4mes4alisong4mes12/20 11:47 pm
76Profile Picture for vinh0212_vinh0212_12/21 11:14 am
77Profile Picture for nnhung37nnhung3712/21 10:10 pm
78Profile Picture for h45himh45him12/22 1:23 am
79Profile Picture for manu7738manu773812/22 1:35 am
80Profile Picture for erodjanerodjan12/22 4:12 am
81Profile Picture for rjcyberrjcyber12/22 4:16 am
82Profile Picture for kadan2666kadan266612/22 4:37 am
83Profile Picture for themujdiithemujdii12/22 5:39 am
84Profile Picture for spectre06872spectre0687212/22 5:52 am
85Profile Picture for captainblcaptainbl12/23 6:50 am
86Profile Picture for obetobet12/23 8:45 am
87Profile Picture for re_tiredre_tired12/23 8:54 am
88Profile Picture for goapsych0goapsych012/23 10:18 am
89Profile Picture for aquarheadaquarhead12/23 11:10 am
90Profile Picture for znatiiznatii12/23 7:44 pm
91Profile Picture for _odinnopro_odinnopro12/24 2:44 am
92Profile Picture for asma_62572asma_6257212/24 5:04 am
93Profile Picture for h3lpme2exp10ith3lpme2exp10it12/24 12:33 pm
94Profile Picture for awwliveyetawwliveyet12/24 2:13 pm
95Profile Picture for zabivlevzabivlev12/25 3:38 am
96Profile Picture for kyubey300_67549kyubey300_6754912/25 3:38 am
97Profile Picture for v3ged4g.v3ged4g.12/25 3:50 am
98Profile Picture for darkitydarkity12/25 11:16 am
99Profile Picture for mattewastakenmattewastaken12/25 11:17 am
100Profile Picture for predatormonarchpredatormonarch12/25 5:43 pm
101Profile Picture for yugi200yugi20012/26 12:08 am
102Profile Picture for grwnagrwna12/26 12:54 am
103Profile Picture for 6oq.6oq.12/26 5:37 am
104Profile Picture for m4422m442212/26 6:59 am
105Profile Picture for papa9995papa999512/26 7:49 am
106Profile Picture for _vga__vga_12/26 1:59 pm
107Profile Picture for hasna___hasna___12/26 2:40 pm
108Profile Picture for .jstr_.jstr_12/27 12:01 am
109Profile Picture for qwerty2119581qwerty211958112/27 2:26 pm
110Profile Picture for ayoubb1ayoubb112/27 5:30 pm
111Profile Picture for tildenjacksontildenjackson12/27 6:44 pm
112Profile Picture for 0x0ffset0x0ffset12/27 11:27 pm
113Profile Picture for wilsonwei_cswilsonwei_cs12/28 8:29 am
114Profile Picture for fakeaviationistfakeaviationist12/28 11:33 am
115Profile Picture for azooz24azooz2412/28 5:00 pm
116Profile Picture for .alexdev.alexdev12/28 5:36 pm
117Profile Picture for sakibxsakibx12/29 1:29 am
118Profile Picture for rnvntdrnvntd12/29 10:26 am
119Profile Picture for baribal02baribal0212/29 11:07 am
120Profile Picture for dapinn0841dapinn084112/30 1:02 pm
121Profile Picture for pebble_00_1pebble_00_112/30 4:59 pm
122Profile Picture for drago0287drago028712/31 10:21 am

Description

Santa needs your help to investigate the Downdate vulnerability! He has a few urgent questions about it that he needs answered ASAP. Can you provide the answers to help keep the North Pole safe from these threats?

  1. What is the surname of the researcher who discovered the Downdate vulnerability.
  2. Which technology company is responsible for addressing the Downdate vulnerability?
  3. What is the CVE identifier associated with the Windows Downdate vulnerability?
  4. Which registry key is manipulated to disable Virtualization-Based Security (VBS) in the Windows Downdate exploit?
  5. What is the name of the XML file that the Windows Downdate exploit manipulates to control the update process?
  6. Which Windows kernel module is downgraded in the Windows Downdate proof-of-concept to exploit the "ItsNotASecurityBoundary" vulnerability?

Answer the questions with a single word @ nc ctf.csd.lol 5000

Hint

There are no penalties for viewing hints. Hints are released 12 hours and 24 hours after the challenge releases.

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Write-up

Dharneesh's write-up was selected as the best write-up submitted for this challenge.

View this write-up on GitHub

Most of these were easy, all of the questions except question 5 could be answered with this article. For question 5, you could just copy and paste the question into google and click the first result.

Flag: csd{d0wNda73_15_W31RD}

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