CVE-2006-4812 : Detail

CVE-2006-4812

Code Injection
A03-Injection
82.81%V3
Network
2006-10-09
16h00 +00:00
2018-10-17
18h57 +00:00
CVE.org
NVD
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CVE Descriptions

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-94 Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Metrics

Metrics Score Severity CVSS Vector Source
V2 10 AV:N/AC:L/Au:N/C:C/I:C/A:C [email protected]

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 28760

Publication date : 2006-10-04 22h00 +00:00
Author : anonymous
EDB Verified : Yes

source: https://www.securityfocus.com/bid/20349/info PHP is prone to an integer-overflow vulnerability because the application fails to do proper bounds checking on user-supplied data. An attacker can exploit this vulnerability to execute arbitrary code in the context of the affected application. Failed exploit attempts will likely cause denial-of-service conditions. <? print_r(unserialize('a:1073741823:{i:0;s:30:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"}')); ?> in function zend_hash_init() int overflow ( ecalloc() )-> heap overflow here segfault in zend_hash_find() but it's possible to fake the bucket and exploit a zend_hash_del_index_or_key i tried a memory dump , just fake the bucked with the pointer of the $GLOBALS's bucket but segfault before in memory_shutdown...

Products Mentioned

Configuraton 0

Php>>Php >> Version 4.0

Php>>Php >> Version 4.0.1

Php>>Php >> Version 4.0.1

Php>>Php >> Version 4.0.1

Php>>Php >> Version 4.0.2

Php>>Php >> Version 4.0.3

Php>>Php >> Version 4.0.3

Php>>Php >> Version 4.0.4

Php>>Php >> Version 4.0.5

Php>>Php >> Version 4.0.6

Php>>Php >> Version 4.0.7

Php>>Php >> Version 4.0.7

Php>>Php >> Version 4.0.7

Php>>Php >> Version 4.0.7

Php>>Php >> Version 4.1.0

Php>>Php >> Version 4.1.1

Php>>Php >> Version 4.1.2

Php>>Php >> Version 4.2

    Php>>Php >> Version 4.2.0

    Php>>Php >> Version 4.2.1

    Php>>Php >> Version 4.2.2

    Php>>Php >> Version 4.2.3

    Php>>Php >> Version 5.0

      Php>>Php >> Version 5.0

        Php>>Php >> Version 5.0

          Php>>Php >> Version 5.0.0

          Php>>Php >> Version 5.0.1

          Php>>Php >> Version 5.0.2

          Php>>Php >> Version 5.0.3

          Php>>Php >> Version 5.0.4

          Php>>Php >> Version 5.0.5

          Php>>Php >> Version 5.1.0

          Php>>Php >> Version 5.1.1

          Php>>Php >> Version 5.1.2

          Php>>Php >> Version 5.1.3

          Php>>Php >> Version 5.1.4

          Php>>Php >> Version 5.1.5

          Php>>Php >> Version 5.1.6

          References

          http://secunia.com/advisories/22300
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://secunia.com/advisories/22650
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://securitytracker.com/id?1016984
          Tags : vdb-entry, x_refsource_SECTRACK
          http://secunia.com/advisories/22281
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://secunia.com/advisories/22338
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://www.securityfocus.com/bid/20349
          Tags : vdb-entry, x_refsource_BID
          http://www.securityfocus.com/archive/1/448953/100/0/threaded
          Tags : vendor-advisory, x_refsource_OPENPKG
          http://www.gentoo.org/security/en/glsa/glsa-200610-14.xml
          Tags : vendor-advisory, x_refsource_GENTOO
          http://www.trustix.org/errata/2006/0055
          Tags : vendor-advisory, x_refsource_TRUSTIX
          http://rhn.redhat.com/errata/RHSA-2006-0688.html
          Tags : vendor-advisory, x_refsource_REDHAT
          http://www.ubuntu.com/usn/usn-362-1
          Tags : vendor-advisory, x_refsource_UBUNTU
          http://rhn.redhat.com/errata/RHSA-2006-0708.html
          Tags : vendor-advisory, x_refsource_REDHAT
          http://secunia.com/advisories/22538
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://securityreason.com/securityalert/1691
          Tags : third-party-advisory, x_refsource_SREASON
          http://secunia.com/advisories/22533
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://secunia.com/advisories/22331
          Tags : third-party-advisory, x_refsource_SECUNIA
          http://www.vupen.com/english/advisories/2006/3922
          Tags : vdb-entry, x_refsource_VUPEN
          http://secunia.com/advisories/22280
          Tags : third-party-advisory, x_refsource_SECUNIA