Vulnerability Details : CVE-2007-4657
Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996.
Vulnerability category: OverflowDenial of service
Threat overview for CVE-2007-4657
Top countries where our scanners detected CVE-2007-4657
Top open port discovered on systems with this issue
80
IPs affected by CVE-2007-4657 24,373
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2007-4657
Probability of exploitation activity in the next 30 days: 1.63%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2007-4657
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2007-4657
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
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Assigned by: nvd@nist.gov (Primary)
Vendor statements for CVE-2007-4657
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Red Hat 2007-09-05The only effect of this bug is to cause the process to read from a random segment of memory, if a large "length" parameter is passed to the strspn/strcspn function, which is under the control of the script author. This bug has no security impact.
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https://exchange.xforce.ibmcloud.com/vulnerabilities/39399
Third Party Advisory;VDB Entry
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http://secweb.se/en/advisories/php-strcspn-information-leak-vulnerability/
Third Party Advisory
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http://www.php.net/ChangeLog-5.php#5.2.4
PHP: PHP 5 ChangeLogPatch;Vendor Advisory
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http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.335136
The Slackware Linux Project: Slackware Security AdvisoriesMailing List;Third Party Advisory
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https://issues.rpath.com/browse/RPL-1702
Broken Link
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http://www.vupen.com/english/advisories/2008/0059
Third Party Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/36388
Third Party Advisory;VDB Entry
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http://www.trustix.org/errata/2007/0026/
Trustix | Empowering Trust and Security in the Digital AgeBroken Link
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http://www.vupen.com/english/advisories/2007/3023
Third Party Advisory
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http://www.php.net/ChangeLog-4.php
PHP: PHP 4 ChangeLogVendor Advisory
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https://usn.ubuntu.com/549-1/
404: Page not found | UbuntuThird Party Advisory
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http://www.debian.org/security/2008/dsa-1444
Third Party Advisory
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http://www.debian.org/security/2008/dsa-1578
Third Party Advisory
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http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
Third Party Advisory
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http://www.php.net/releases/5_2_4.php
PHP: PHP 5.2.4 Release AnnouncementVendor Advisory
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http://www.php.net/releases/4_4_8.php
PHP: PHP 4.4.8 Release AnnouncementVendor Advisory
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https://launchpad.net/bugs/173043
Bug #173043 “php5 5.2.3-1ubuntu6.1 introduced segfault regressio...” : Bugs : php5 package : UbuntuThird Party Advisory
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https://issues.rpath.com/browse/RPL-1693
Broken Link
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http://www.ubuntu.com/usn/usn-549-2
USN-549-2: PHP regression | Ubuntu security notices | UbuntuBroken Link
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*