Brave Software: Homograph Attack Bypass [ Tested on Linux & Windows ]

Summary: at 175286 you has been patched, and i try it work, but i've another way to bypass it. when we add a site to our Homepage with @, it's not validate a url properly, make sure it's display the punycode. Products affected: Brave 0.18.36 Linux & Windows Steps To Reproduce: 1. In browser add...

PT-2017-4033

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 57 Description The issue is related to the display of Punycode format text for entire qualified international domain names in certain instances. When a sub-domain triggers the Punycode display, it can cause user...

Libidn2 'decode_digit' function integer overflow vulnerability

Libidn2 is a package that implements string preprocessing, Punycode, and IDNA specification definitions through the IETF International Domain Name IDN. An integer overflow vulnerability exists in the 'decodedigit' function of the punydecode.c file in Libidn2 versions prior to 2.0.4. A remote...

Quora: IDNs displayed in unicode

Hello Quora, Please refer https://en.wikipedia.org/wiki/Internationalizeddomainname to know more about IDNs. The IDN Internationalized Domain Name : http://ebаy.com/ is a homograph for the latin ebay.com. if you click that first link, you might think that you are going to ebay.com but in fact, yo...

IDN Homograph Attack Spreading Betabot Backdoor

An IDN homograph attack leveraging Adobe’s brand has been discovered, with the malicious site spreading the Betabot backdoor and ultimately infecting compromised machines with cryptocurrency-mining and data-stealing malware. Attacks using internationalized domain name homographs rely on users...

Debian DLA-1085-1 : libidn2-0 security update

It was discovered that there was an integer overflow vulnerability in libidn2-0's Punycode handling an encoding used to convert Unicode characters to ASCII which would have allowed attackers to cause a remote denial of service. For Debian 7 'Wheezy', this issue has been fixed in libidn2-0 version...

Debian DLA-1084-1 : libidn security update

It was discovered that there was an integer overflow vulnerability in libidn's Punycode handling an encoding used to convert Unicode characters to ASCII which would have allowed remote attackers to cause a denial of service. For Debian 7 'Wheezy', this issue has been fixed in libidn version...

Legal Robot: Homograph IDNs displayed in Description

The IDN: http://ebаy.com/ is a homograph for the latin ebay.com. if you copy and paste a link, you might think that you are going to ebay.com. in fact, you are going to a homograph url http://xn--eby-7cd.com/ it would be safer to show the punycode version of the url so that it would be apparent...

Upcoming update with IDN homograph phishing fix

Security Upcoming update with IDN homograph phishing fix Share April 21st, 2017 Domains are an integral part of the internet. Similar to how people write different languages using different characters or scripts, domain names can be composed of various scripts in whole or in part, and are called...

Google Fixes Unicode Phishing Vulnerability in Chrome 58, Firefox Stands Pat

Google fixed a handful of issues when it released the latest version of its browser, Chrome 58, on Wednesday, including a vulnerability that could have made it easier for an attacker to carry out a phishing attack with Unicode domains. The vulnerability, based on Punycode – a way to represent...

Whole-script confusable domain label spoofing

Posted by Xudong Zheng Before I explain the details of the vulnerability, you should take a look at the proof-of-concept. Punycode makes it possible to register domains with foreign characters. It works by converting individual domain label to an alternative format using only ASCII characters. Fo...

This Phishing Attack is Almost Impossible to Detect On Chrome, Firefox and Opera

A Chinese infosec researcher has reported about an "almost impossible to detect" phishing attack that can be used to trick even the most careful users on the Internet. He warned, hackers can use a known vulnerability in the Chrome, Firefox and Opera web browsers to display their fake domain names...

Brave Software: homograph-attack (unicode vuln)

Hi team Summary: Affacted product appears identicaly different websites domains attacker uses unicode to register domains that look identical to real domains ,These fake domains can be used to fool users into signing into a fake website, thereby handing over their login credentials to an...

Mozilla: Location bar spoofing with unicode characters (MFSA 2017-02)

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

Mozilla: Location bar spoofing with unicode characters (MFSA 2017-02)

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5383

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5383

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

PT-2026-42782

Name of the Vulnerable Software and Affected Versions idna affected versions not specified Description The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For instance, ToUnicode"xn--example-.com" returns "example.com" instead of an...

IDNA 2003 makes curl use wrong host

When curl is built with libidn to handle International Domain Names IDNA, it translates them to puny code for DNS resolving using the IDNA 2003 standard, while IDNA 2008 is the modern and up-to-date IDNA standard. This misalignment causes problems with for example domains using the German ß...

Brave Software: Homograph attack

Summary: when we add a site to our Homepage, it's not validate a url properly, make sure it's display the punycode. Products affected: Brave 0.12.4 Tested on mac os Steps To Reproduce: In browser add homepage with IDN http://ebаy.com/ now close and open browser again you can see it's redirect to...