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Vulnerability Details : CVE-2007-1661

Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the "\X?\d" and "\P{L}?\d" patterns.
Publish Date : 2007-11-07 Last Update Date : 2013-08-19
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- CVSS Scores & Vulnerability Types

CVSS Score
6.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceObtain Information
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
DSA-1399-1 pcre3 - arbitrary code execution oval:org.mitre.oval:def:20218 unix
DSA-1570 kazehakase -- various oval:org.mitre.oval:def:8010 unix
DSA-1570-1 kazehakase - execution of arbitrary code oval:org.mitre.oval:def:18752 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-1661

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Mac Os X 10.4.11 Version Details Vulnerabilities
2 OS Apple Mac Os X Server 10.4.11 Version Details Vulnerabilities
3 Application Pcre Perl-compatible Regular Expression Library 7.0 Version Details Vulnerabilities
4 Application Pcre Perl-compatible Regular Expression Library 7.1 Version Details Vulnerabilities
5 Application Pcre Perl-compatible Regular Expression Library 7.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mac Os X 1
Apple Mac Os X Server 1
Pcre Perl-compatible Regular Expression Library 3

- References For CVE-2007-1661

http://bugs.gentoo.org/show_bug.cgi?id=198976
http://docs.info.apple.com/article.html?artnum=307179 CONFIRM
http://docs.info.apple.com/article.html?artnum=307562 CONFIRM
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
APPLE APPLE-SA-2007-12-17
http://secunia.com/advisories/27543
SECUNIA 27543
http://secunia.com/advisories/27538
SECUNIA 27538
http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
MLIST [gtk-devel-list] 20071107 GLib 2.14.3
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
APPLE APPLE-SA-2008-03-18
http://secunia.com/advisories/27697
SECUNIA 27697
http://secunia.com/advisories/27554
SECUNIA 27554
http://secunia.com/advisories/27741
SECUNIA 27741
http://secunia.com/advisories/27773
SECUNIA 27773
http://secunia.com/advisories/28136
SECUNIA 28136
http://secunia.com/advisories/28406
SECUNIA 28406
http://secunia.com/advisories/28414
SECUNIA 28414
http://secunia.com/advisories/28714
SECUNIA 28714
http://secunia.com/advisories/30106
SECUNIA 30106
http://secunia.com/advisories/29420
SECUNIA 29420
http://secunia.com/advisories/29267
SECUNIA 29267
http://secunia.com/advisories/28720
SECUNIA 28720
http://secunia.com/advisories/30155
SECUNIA 30155
http://secunia.com/advisories/30219
SECUNIA 30219
http://www.vupen.com/english/advisories/2007/4238
VUPEN ADV-2007-4238
http://www.vupen.com/english/advisories/2007/3790
VUPEN ADV-2007-3790
http://www.vupen.com/english/advisories/2007/3725
VUPEN ADV-2007-3725
http://www.ubuntulinux.org/support/documentation/usn/usn-547-1
UBUNTU USN-547-1
http://www.securityfocus.com/bid/26346
BID 26346 PCRE Regular Expression Library Multiple Security Vulnerabilities Release Date:2008-07-16
http://www.securityfocus.com/archive/1/archive/1/483579/100/0/threaded
BUGTRAQ 20071112 FLEA-2007-0064-1 pcre
http://www.securityfocus.com/archive/1/archive/1/483357/100/0/threaded
BUGTRAQ 20071106 rPSA-2007-0231-1 pcre
http://www.pcre.org/changelog.txt CONFIRM
http://www.novell.com/linux/security/advisories/2007_62_pcre.html
SUSE SUSE-SA:2007:062
http://www.mandriva.com/security/advisories?name=MDKSA-2007:211
MANDRIVA MDKSA-2007:211
http://www.debian.org/security/2008/dsa-1570
DEBIAN DSA-1570
http://security.gentoo.org/glsa/glsa-200805-11.xml
GENTOO GLSA-200805-11
http://security.gentoo.org/glsa/glsa-200801-19.xml
GENTOO GLSA-200801-19
http://security.gentoo.org/glsa/glsa-200801-18.xml
GENTOO GLSA-200801-18
http://security.gentoo.org/glsa/glsa-200801-02.xml
GENTOO GLSA-200801-02
http://security.gentoo.org/glsa/glsa-200711-30.xml
GENTOO GLSA-200711-30
http://www.vupen.com/english/advisories/2008/0924/references
VUPEN ADV-2008-0924
http://xforce.iss.net/xforce/xfdb/38274
XF pcre-nonutf8-dos(38274)
http://www.us-cert.gov/cas/techalerts/TA07-352A.html
CERT TA07-352A
http://www.debian.org/security/2007/dsa-1399
DEBIAN DSA-1399
https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html
FEDORA FEDORA-2008-1842
https://issues.rpath.com/browse/RPL-1738 CONFIRM

- Metasploit Modules Related To CVE-2007-1661

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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