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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2007-1661
Probability of exploitation activity in the next 30 days: 2.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 89 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2007-1661
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST |
References for CVE-2007-1661
- http://www.securityfocus.com/archive/1/483357/100/0/threaded
- https://usn.ubuntu.com/547-1/
- http://www.debian.org/security/2007/dsa-1399
-
http://www.vupen.com/english/advisories/2007/4238
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
- http://www.vupen.com/english/advisories/2007/3725
- http://docs.info.apple.com/article.html?artnum=307179
- http://www.debian.org/security/2008/dsa-1570
- http://www.novell.com/linux/security/advisories/2007_62_pcre.html
-
http://www.us-cert.gov/cas/techalerts/TA07-352A.html
Page Not Found | CISAUS Government Resource
- http://security.gentoo.org/glsa/glsa-200801-02.xml
- http://bugs.gentoo.org/show_bug.cgi?id=198976
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html
- http://www.securityfocus.com/archive/1/483579/100/0/threaded
- http://security.gentoo.org/glsa/glsa-200805-11.xml
- http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
- http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
- http://security.gentoo.org/glsa/glsa-200801-19.xml
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/38274
- http://docs.info.apple.com/article.html?artnum=307562
- http://www.vupen.com/english/advisories/2007/3790
- http://www.securityfocus.com/bid/26346
- http://security.gentoo.org/glsa/glsa-200711-30.xml
- https://issues.rpath.com/browse/RPL-1738
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:211
- http://www.pcre.org/changelog.txt
- http://security.gentoo.org/glsa/glsa-200801-18.xml
-
http://www.vupen.com/english/advisories/2008/0924/references
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
Products affected by CVE-2007-1661
- cpe:2.3:o:apple:mac_os_x:10.4.11:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x_server:10.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:perl-compatible_regular_expression_library:*:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:perl-compatible_regular_expression_library:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:pcre:perl-compatible_regular_expression_library:7.1:*:*:*:*:*:*:*