OS X Regex Engine (TRE) - Stack Buffer Overflow Vulnerability

Exploit for macOS platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=428 OS X Libc uses the slightly obscure TRE regex engine http://laurikari.net/tre/ If used in enhanced mode by passing the REGENHANCED flag to regcomp TRE supports...

OS X Regex Engine (TRE) - Integer Signedness and Overflow Issues Vulnerability

Exploit for macOS platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=429 The OS X regex engine function tretnfarunparallel contains the following code: int tbytes; ... if !matchtags numtags = 0; else numtags = tnfa-numtags; ... int rbytes,...

Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow

Source: https://code.google.com/p/google-security-research/issues/detail?id=429 The OS X regex engine function tretnfarunparallel contains the following code: int tbytes; ... if !matchtags numtags = 0; else numtags = tnfa-numtags; ... int rbytes, pbytes, totalbytes; char tmpbuf; / Compute the...

Apple Mac OSX Regex Engine (TRE) - Stack Buffer Overflow (PoC)

Source: https://code.google.com/p/google-security-research/issues/detail?id=428 OS X Libc uses the slightly obscure TRE regex engine http://laurikari.net/tre/ If used in enhanced mode by passing the REGENHANCED flag to regcomp TRE supports arbitrary-width hex literals. Here is the code used to...

Ruby <= 1.9 (regex engine) Remote Socket Memory Leak Exploit

No description provided by source. ------------------------------------------------------- Language : Ruby Web Site: www.ruby-lang.org Platform: All Bug: Remote Socket Memory Leak Products Affected: 1.8 series: - 1.8.5 and all prior versions - 1.8.6-p286 and all prior versions - 1.8.7-p71 and all...

CVE-2013-1121: Undefined Security Weakness

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service device reload via a crafted AS path set, aka Bug ID CSCuf49554...

PT-2013-2893

Name of the Vulnerable Software and Affected Versions Cisco NX-OS affected versions not specified Description The issue is related to the regex engine in the BGP implementation, which can cause a denial of service device reload when a complex regular expression is configured for inbound routes. A...

DEBIAN-CVE-2013-0242

Buffer overflow in the extendbuffers function in the regular expression matcher posix/regexec.c in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service memory corruption and crash via crafted multibyte characters...

CVE-2010-1330

JRuby prior to 1.4.1 contains an XSS vulnerability in its regex engine when $KCODE is set to 'u'. The flaw occurs because the engine does not properly handle characters immediately after a UTF-8 character, enabling remote attackers to inject crafted strings and execute script in vulnerable contex...

Scientific Linux Security Update : perl on SL4.x, SL3.x i386/x86_64

A flaw was found in Perl's regular expression engine. Specially crafted input to a regular expression can cause Perl to improperly allocate memory, possibly resulting in arbitrary code running with the permissions of the user running Perl. CVE-2007-5116 %NASLMINLEVEL 70300 C Tenable Network...

jruby: XSS in the regular expression engine when processing invalid UTF-8 byte sequences

The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting XSS attacks via a crafted string...

CVE-2010-1330 jruby: XSS in the regular expression engine when processing invalid UTF-8 byte sequences

The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting XSS attacks via a crafted string...

CVE-2010-1158

Integer overflow in the regular expression engine in Perl 5.8.x allows context-dependent attackers to cause a denial of service stack consumption and application crash by matching a crafted regular expression against a long string...

openSUSE 10 Security Update : ruby (ruby-6339)

This ruby update improves return value checks for openssl function OCSPbasicverify CVE-2009-0642 which allowed an attacker to use revoked certificates. The entropy of DNS identifiers was increased CVE-2008-3905 to avaid spoofing attacks. The code for parsing XML data was vulnerable to a denial of...

SuSE9 Security Update : ruby (YOU Patch Number 12452)

This update for ruby fixes the following security issues : - Improve return value checks for OpenSSL function OCSPbasicverify to refuse usage of revoked certificates. CVE-2009-0642 - Increase entropy of DNS identifiers to avoid spoofing attacks. CVE-2008-3905 - Fix denial of service DoS...

ruby: Memory allocation failure in Ruby regex engine (remotely exploitable DoS)

The regular expression engine regex.c in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service infinite loop and crash via multiple long requests to a Ruby socket, related to memory allocation failure...

Resource Management Errors

Overview Affected versions of this package are vulnerable to Resource Management Errors. The regular expression engine regex.c in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service infinite loop an...

CVE-2008-3443

The regular expression engine regex.c in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service infinite loop and crash via multiple long requests to a Ruby socket, related to memory allocation failure...

CVE-2008-3443

The regular expression engine regex.c in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service infinite loop and crash via multiple long requests to a Ruby socket, related to memory allocation failure...

Ruby Memory allocation failure in Ruby regex engine (remotely exploitable DoS)

The regular expression engine regex.c in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service infinite loop and crash via multiple long requests to a Ruby socket, related to memory allocation failure...