Wallbleed is a security bug in the Great Firewall of China's DNS "Injector 3", which is a deployed national wide in China.[1] It was first discovered on October 2, 2021 and publicly disclosed on February 25, 2025.[2] Wallbleed allowed anyone, from arbitrary hosts on the Internet, to reveal up to 125 bytes of the Great Firewall of China's memory by sending a crafted DNS query.[citation needed] Wallbleed afforded a rare insight into the Great Firewall of China's internal architecture and the censor's operational behaviors.[citation needed]

References

  1. ^ Fan, Shencha; Sippe, Jackson; San, Sakamoto; Sheffey, Jade; Fifield, David; Houmansadr, Amir; Wedwards, Elson; Wustrow, Eric (2025). "Wallbleed: A Memory Disclosure Vulnerability in the Great Firewall of China". Network and Distributed System Security (NDSS). The Internet Society. Retrieved 2025-02-28.
  2. ^ Shencha Fan, Jackson Sippe, Sakamoto San, Jade Sheffey, David Fifield, Amir Houmansadr, Elson Wedwards, Eric Wustrow (2025). "Experiment Timeline and Vantage Points". Wallbleed: A Memory Disclosure Vulnerability in the Great Firewall of China. Network and Distributed System Security Symposium (NDSS). Retrieved 2025-02-28.{{cite web}}: CS1 maint: multiple names: authors list (link)
Allikas: https://en.wikipedia.org/wiki/Draft:Wallbleed
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