Perceptual Gaps: ASCII Art and Overlapping Audio As CAPTCHA

As multimodal large language models LLMs advance, traditional CAPTCHAs have become obsolete at distinguishing humans from bots. To address this shift, this paper aims to investigate the possibility of using tasks for which humans have evolved highly specialised neural processing. We introduce two...

EUVD-2008-7175

Malware in sbrugna...

uncaptcha - Defeating Google's audio reCaptcha with 85% accuracy

Defeating Google's audio reCaptcha system with 85% accuracy. Inspiration Across the Internet, hundreds of thousands of sites rely on Google's reCaptcha system for defense against bots in fact, Devpost uses reCaptcha when creating a new account. After a Google research team demonstrated a near...

Google’s reCaptcha Cracked Again

Google’s reCaptcha service has been cracked by a group of University of Maryland researchers who devised an automated attack that can break the service with 85 percent accuracy. The researchers created a tool called unCaptcha that is able to abuse the audio challenge option of Google’s reCaptcha ...

Low Resource Defeat of reCaptcha’s Audio Challenge: unCaptcha

Across the Internet, hundreds of thousands of sites rely on Google’s reCaptcha system for defense against bots in fact, Devpost uses reCaptcha when creating a new account. After a Google research team demonstrated a near complete defeat of the text reCaptcha in 2012, the reCaptcha system evolved ...

[SECURITY] Fedora 24 Update: python-tgcaptcha2-0.3.1-1.fc24

TGCaptcha2 is a TurboGears widget that provides an easy way to incorporate a captcha as part a form in an attempt to reduce spam or malicious activity. Features include: Relatively pain-free usage and validation inside of a regular widget-based form Flexibility to add or extend image generation...

[SECURITY] Fedora 23 Update: python-tgcaptcha2-0.3.1-1.fc23

TGCaptcha2 is a TurboGears widget that provides an easy way to incorporate a captcha as part a form in an attempt to reduce spam or malicious activity. Features include: Relatively pain-free usage and validation inside of a regular widget-based form Flexibility to add or extend image generation...

[SECURITY] Fedora 22 Update: python-tgcaptcha2-0.3.1-1.fc22

TGCaptcha2 is a TurboGears widget that provides an easy way to incorporate a captcha as part a form in an attempt to reduce spam or malicious activity. Features include: Relatively pain-free usage and validation inside of a regular widget-based form Flexibility to add or extend image generation...

SMF <= 1.1.4 - Audio CAPTCHA Security Bypass Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/28866/info SMF Simple Machine Forum is prone to a security-bypass vulnerability that occurs in the audio CAPTCHA protocol. Successfully exploiting this issue may allow attackers to send unsolicited spam or perform other...

Peter's Math Anti-Spam for WordPress 0.1.6 Plugin Audio CAPTCHA Security Bypass Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/27287/info Peter's Math Anti-Spam for WordPress is prone to a security-bypass vulnerability. This issue occurs when presenting a visitor with challenge data to determine if they are a legitimate user or an automaton. The...

Fuctweb CapCC Plugin 1.0 for WordPress CAPTCHA Security Bypass Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/37103/info Fuctweb CapCC Plugin for WordPress is prone to a security-bypass vulnerability that occurs in the audio CAPTCHA protocol. Successful exploits may allow attackers to bypass security restrictions and perform...

PHP Captcha / Securimage 2.0.2 - Authentication Bypass - SO-11-007

No description provided by source. Sense of Security - Security Advisory - SOS-11-007 Release Date. 20-May-2011 Last Update. - Vendor Notification Date. 04-Apr-2011 Product. Securimage / PHPCaptcha Platform. PHP Affected versions. 1.0.4 - 2.0.2 Severity Rating. Medium Impact. Authentication bypas...

PHPCaptcha / Securimage 2.0.2 - Authentication Bypass - SOS-11-007

Sense of Security - Security Advisory - SOS-11-007 Release Date. 20-May-2011 Last Update. - Vendor Notification Date. 04-Apr-2011 Product. Securimage / PHPCaptcha Platform. PHP Affected versions. 1.0.4 - 2.0.2 Severity Rating. Medium Impact. Authentication bypass Attack Vector. Remote without...

PHP Captcha Securimage 2.0.2 - Authentication Bypass

PHP Captcha Securimage 2.0.2 - Authentication Bypass Sense of Security - Security Advisory - SOS-11-007 Release Date. 20-May-2011 Last Update. - Vendor Notification Date. 04-Apr-2011 Product. Securimage / PHPCaptcha Platform. PHP Affected versions. 1.0.4 - 2.0.2 Severity Rating. Medium Impact...

WordPress Plugin Fuctweb CapCC 1.0 CAPTCHA - Security Bypass

WordPress Plugin Fuctweb CapCC 1.0 CAPTCHA - Security Bypass source: https://www.securityfocus.com/bid/37103/info Fuctweb CapCC Plugin for WordPress is prone to a security-bypass vulnerability that occurs in the audio CAPTCHA protocol. Successful exploits may allow attackers to bypass security...

CVE-2008-7216

Peter's Math Anti-Spam Spinoff plugin for WordPress generates audio CAPTCHA clips by concatenating static audio files without any additional distortion, which allows remote attackers to bypass CAPTCHA protection by reading certain bytes from the generated clip...

Design/Logic Flaw

Peter's Math Anti-Spam Spinoff plugin for WordPress generates audio CAPTCHA clips by concatenating static audio files without any additional distortion, which allows remote attackers to bypass CAPTCHA protection by reading certain bytes from the generated clip...

CVE-2008-2019

Simple Machines Forum SMF, probably 1.1.4, relies on "randomly generated static" to hinder brute-force attacks on the WAV file aka audio CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances. NOTE: this issue reportedly exists...

SMF 1.1.4 - Audio CAPTCHA Security Bypass

SMF 1.1.4 - Audio CAPTCHA Security Bypass source: https://www.securityfocus.com/bid/28866/info SMF Simple Machine Forum is prone to a security-bypass vulnerability that occurs in the audio CAPTCHA protocol. Successfully exploiting this issue may allow attackers to send unsolicited spam or perform...

SMF 1.1.4 - Audio CAPTCHA Security Bypass

source: https://www.securityfocus.com/bid/28866/info SMF Simple Machine Forum is prone to a security-bypass vulnerability that occurs in the audio CAPTCHA protocol. Successfully exploiting this issue may allow attackers to send unsolicited spam or perform other automated attacks...