Regular Expression Denial of Service

Overview Affected versions of charset are susceptible to a regular expression denial of service. The amplification on this vulnerability is relatively low - it takes around 2 seconds for the engine to execute on a malicious input which is 50,000 characters in length. If node was compiled using th...

Design/Logic Flaw

The URI.decodewwwformcomponent method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service catastrophic regular expression backtracking, resource consumption, or application crash via a crafted string...

Regular Expression Denial Of Service (ReDoS) Via Parsing Cookies

tough-cookie is vulnerable to regular expression denial of service ReDoS attack. The vulnerability exists because the COOKIEPAIR regular expression used to parse the cookies causes unlimited repetitions when matching input characters. By using a large cookie string, attackers can make the process...

PT-2017-5976

Name of the Vulnerable Software and Affected Versions: Ruby versions prior to 1.9.2-p330 Description: The issue allows remote attackers to cause a denial of service via a crafted string, potentially leading to catastrophic regular expression backtracking, resource consumption, or application cras...

CVE-2014-6438: Undefined Security Weakness

The URI.decodewwwformcomponent method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service catastrophic regular expression backtracking, resource consumption, or application crash via a crafted string...

openSUSE Security Update : fossil (openSUSE-2017-949)

This update for fossil to version 2.3 fixes the following issues : - Potential XSS vulnerability on the /help webpage boo1053267 This update also contains all upstream improvements and fixes in version 2.3 : - Update internal Unicode character tables, used in regular expression handling, from...

Regular Expression Denial Of Service (ReDoS)

Moodle is vulnerable to Regular Expression Denial Of Service ReDoS attacks. The attacks can be triggered because of the use of a non-optimal regular expression in the URLs filter in filter/urltolink/filter.php, causing high CPU consumption during URL conversion...

rack-cors CORS request vulnerability

rack-cors is a middleware for resource sharing across sources. regex is a regular expression created in it. A security vulnerability exists in the regex created in versions of rack-cors prior to 0.4.1. An attacker can exploit this vulnerability to execute cross-origin resource sharing requests...

CVE-2017-11164

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

Code injection

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

CVE-2017-11164

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

CVE-2017-11164

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

CVE-2017-11164

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

CVE-2017-11164

In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion uncontrolled recursion when processing a crafted regular expression...

FreeBSD : oniguruma -- multiple vulnerabilities (b396cf6c-62e6-11e7-9def-b499baebfeaf)

the PHP project reports : - A stack out-of-bounds read occurs in matchat during regular expression searching. A logical error involving order of validation and access in matchat could result in an out-of-bounds read from a stack buffer CVE-2017-9224. - A heap out-of-bounds write or read occurs in...

CVE-2017-9229

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in leftadjustcharhead during regular expression compilation. Invalid handling of reg-dmax in forwardsearchrange could result in an invalid pointer...

CVE-2017-9225

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds write in onigencunicodegetcasefoldcodesbystr occurs during regular expression compilation. Code point 0xFFFFFFFF is not properly handled in...

CVE-2017-9226

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in nextstateval during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetchtoken and...

arxius: Open redirects protection bypass

Hello, The regular expression that you are using to validate the redirect GET parameter for the /signup and /login endpoints is not complete, which allows an attacker to bypass your open redirects protection in order to redirect victims to malicious pages. The following are two PoCs, one for each...

PT-2017-3767

Name of the Vulnerable Software and Affected Versions: Perl versions prior to 5.26.3 Description: The issue is related to errors in processing regular expressions, which can lead to a buffer overflow, allowing an attacker to execute arbitrary code. This can be triggered by a crafted regular...