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...

CATPHISH - For Phishing And Corporate Espionage

Project for phishing and corporate espionage. Current Algorithms SingularOrPluralise prependOrAppend doubleExtensions mirrorization homoglyphs dashOmission Punycode CATPHISH v.0.0.5 Added more languages. Improved generator code. CATPHISH v.0.0.4 Added Punycode algorithm for vietnamese and cyrilli...

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...

[SECURITY] Fedora 25 Update: mingw-libidn-1.33-1.fc25

GNU Libidn is an implementation of the Stringprep, Punycode and IDNA specifications defined by the IETF Internationalized Domain Names IDN working group, used for internationalized domain names...

Yelp: IDNs displayed in unicode in messages/about/talk sections (Homograph Attack)

Hello Yelp, 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, you...

[SECURITY] Fedora 23 Update: libidn-1.33-1.fc23

GNU Libidn is an implementation of the Stringprep, Punycode and IDNA specifications defined by the IETF Internationalized Domain Names IDN working group, used for internationalized domain names...

[SECURITY] Fedora 24 Update: libidn-1.33-1.fc24

GNU Libidn is an implementation of the Stringprep, Punycode and IDNA specifications defined by the IETF Internationalized Domain Names IDN working group, used for internationalized domain names...

[SECURITY] Fedora 22 Update: libidn-1.31-1.fc22

GNU Libidn is an implementation of the Stringprep, Punycode and IDNA specifications defined by the IETF Internationalized Domain Names IDN working group, used for internationalized domain names...