CVE-2007-4766: Integer Overflow
First published: Wed Nov 07 2007(Updated: )
Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspecified escape (backslash) sequences.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PCRE | <=7.3 |
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Reference Links
- http://www.pcre.org/changelog.txt
- http://www.debian.org/security/2007/dsa-1399
- http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
- https://issues.rpath.com/browse/RPL-1738
- http://security.gentoo.org/glsa/glsa-200711-30.xml
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:211
- http://www.novell.com/linux/security/advisories/2007_62_pcre.html
- http://www.securityfocus.com/bid/26346
- http://secunia.com/advisories/27538
- http://secunia.com/advisories/27543
- http://secunia.com/advisories/27554
- http://secunia.com/advisories/27741
- http://secunia.com/advisories/27773
- http://secunia.com/advisories/27697
- http://docs.info.apple.com/article.html?artnum=307179
- http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
- http://www.us-cert.gov/cas/techalerts/TA07-352A.html
- http://secunia.com/advisories/28136
- http://bugs.gentoo.org/show_bug.cgi?id=198976
- http://security.gentoo.org/glsa/glsa-200801-02.xml
- http://secunia.com/advisories/28406
- http://secunia.com/advisories/28414
- http://security.gentoo.org/glsa/glsa-200801-18.xml
- http://security.gentoo.org/glsa/glsa-200801-19.xml
- http://secunia.com/advisories/28714
- http://secunia.com/advisories/28720
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html
- http://secunia.com/advisories/29267
- http://docs.info.apple.com/article.html?artnum=307562
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- http://secunia.com/advisories/29420
- http://security.gentoo.org/glsa/glsa-200805-11.xml
- http://secunia.com/advisories/30155
- http://secunia.com/advisories/30219
- http://www.debian.org/security/2008/dsa-1570
- http://secunia.com/advisories/30106
- http://www.vupen.com/english/advisories/2007/4238
- http://www.vupen.com/english/advisories/2007/3790
- http://www.vupen.com/english/advisories/2007/3725
- http://www.vupen.com/english/advisories/2008/0924/references
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38276
- https://usn.ubuntu.com/547-1/
- http://www.securityfocus.com/archive/1/483579/100/0/threaded
- http://www.securityfocus.com/archive/1/483357/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2007-4766?
CVE-2007-4766 is considered a high severity vulnerability due to its potential for causing denial of service and executing arbitrary code.
How do I fix CVE-2007-4766?
To fix CVE-2007-4766, update the PCRE library to version 7.3 or later, as this version addresses the integer overflow issues.
What software is affected by CVE-2007-4766?
CVE-2007-4766 affects versions of the PCRE (Perl-Compatible Regular Expressions) library prior to 7.3.
What type of attack is possible with CVE-2007-4766?
CVE-2007-4766 enables context-dependent attackers to cause a denial of service or execute arbitrary code via specific escape sequences.
Is there a patch available for CVE-2007-4766?
Yes, a patch is available by updating to PCRE versions 7.3 or higher, which resolve the vulnerabilities associated with CVE-2007-4766.
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