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Vulnerability Details : CVE-2007-1286

Integer overflow in PHP 4.4.4 and earlier allows remote context-dependent attackers to execute arbitrary code via a long string to the unserialize function, which triggers the overflow in the ZVAL reference counter.
Publish Date : 2007-03-06 Last Update Date : 2010-11-30
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Execute CodeOverflow
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2007-03-02 2007-03-02
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @ cvedetails.com

- Related OVAL Definitions

Title Definition Id Class Family
DSA-1282-1 php4 oval:org.mitre.oval:def:18873 unix
DSA-1283-1 php5 oval:org.mitre.oval:def:19944 unix
Integer overflow in PHP 4.4.4 and earlier allows remote context-dependent attackers to execute arbitrary code via a long... oval:org.mitre.oval:def:11575 unix
RHSA-2007:0155: php security update (Important) oval:com.redhat.rhsa:def:20070155 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-2007-1286

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 4.4.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
PHP PHP 1

- References For CVE-2007-1286

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506
HP HPSBMA02215
http://www.frsirt.com/english/advisories/2007/2374
VUPEN ADV-2007-2374
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137
HP HPSBTU02232
http://rhn.redhat.com/errata/RHSA-2007-0154.html
REDHAT RHSA-2007:0154
http://rhn.redhat.com/errata/RHSA-2007-0163.html
REDHAT RHSA-2007:0163
http://secunia.com/advisories/24419
SECUNIA 24419
http://secunia.com/advisories/24606
SECUNIA 24606
http://secunia.com/advisories/24910
SECUNIA 24910
http://secunia.com/advisories/24924
SECUNIA 24924
http://secunia.com/advisories/24941
SECUNIA 24941
http://secunia.com/advisories/24945
SECUNIA 24945
http://secunia.com/advisories/25025
SECUNIA 25025
http://secunia.com/advisories/25423
SECUNIA 25423
http://secunia.com/advisories/25062
SECUNIA 25062
http://secunia.com/advisories/25445
SECUNIA 25445
http://secunia.com/advisories/25850
SECUNIA 25850
http://security.gentoo.org/glsa/glsa-200703-21.xml
GENTOO GLSA-200703-21
http://security.gentoo.org/glsa/glsa-200705-19.xml
GENTOO GLSA-200705-19
http://www.debian.org/security/2007/dsa-1282
DEBIAN DSA-1282
http://www.debian.org/security/2007/dsa-1283
DEBIAN DSA-1283
http://www.mandriva.com/security/advisories?name=MDKSA-2007:088
MANDRIVA MDKSA-2007:088
http://www.mandriva.com/security/advisories?name=MDKSA-2007:087
MANDRIVA MDKSA-2007:087
http://www.frsirt.com/english/advisories/2007/1991
VUPEN ADV-2007-1991
http://www.osvdb.org/32771
OSVDB 32771
http://xforce.iss.net/xforce/xfdb/32796
XF php-zval-code-execution(32796)
http://www.trustix.org/errata/2007/0009/
TRUSTIX 2007-0009
http://www.securityfocus.com/bid/22765
BID 22765 PHP ZVAL Reference Counter Integer Overflow Vulnerability Release Date:2007-06-29
http://www.securityfocus.com/archive/1/archive/1/466166/100/0/threaded
BUGTRAQ 20070418 rPSA-2007-0073-1 php php-mysql php-pgsql
http://www.php-security.org/MOPB/MOPB-04-2007.html
https://issues.rpath.com/browse/RPL-1268 CONFIRM
http://rhn.redhat.com/errata/RHSA-2007-0155.html
REDHAT RHSA-2007:0155

- Metasploit Modules Related To CVE-2007-1286

PHP 4 unserialize() ZVAL Reference Counter Overflow (Cookie)
This module exploits an integer overflow vulnerability in the unserialize() function of the PHP web server extension. This vulnerability was patched by Stefan in version 4.5.0 and applies all previous versions supporting this function. This particular module targets numerous web applications and is based on the proof of concept provided by Stefan Esser. This vulnerability requires approximately 900k of data to trigger due the multiple Cookie headers requirement. Since we are already assuming a fast network connection, we use a 2Mb block of shellcode for the brute force, allowing quick exploitation for those with fast networks. One of the neat things about this vulnerability is that on x86 systems, the EDI register points into the beginning of the hashtable string. This can be used with an egghunter to quickly exploit systems where the location of a valid "jmp EDI" or "call EDI" instruction is known. The EDI method is faster, but the bandwidth-intensive brute force used by this module is more reliable across a wider range of systems.
Module type : exploit Rank : average Platforms : Linux


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