HIGH
php: remote code exec flaw introduced in the CVE-2011-4885 hashdos fix
Published Feb 6, 2012
7.5
HIGHCVSS 2.0
EPSS 29.80%
Description
The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote attackers to execute arbitrary code via a request containing a large number of variables, related to improper handling of array variables. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-4885.
Affected products
No data.
No data.
Red Hat Enterprise Linux 4
php-0:4.3.9-3.36
Fixed · RHSA-2012:0093
Red Hat Enterprise Linux 5
php-0:5.1.6-27.el5_7.5
Fixed · RHSA-2012:0093
Red Hat Enterprise Linux 5
php53-0:5.3.3-1.el5_7.6
Fixed · RHSA-2012:0092
Red Hat Enterprise Linux 6
php-0:5.3.3-3.el6_2.6
Fixed · RHSA-2012:0093
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | php-0:4.3.9-3.36 | Fixed | RHSA-2012:0093 |
| Red Hat Enterprise Linux 5 | php-0:5.1.6-27.el5_7.5 | Fixed | RHSA-2012:0093 |
| Red Hat Enterprise Linux 5 | php53-0:5.3.3-1.el5_7.6 | Fixed | RHSA-2012:0092 |
| Red Hat Enterprise Linux 6 | php-0:5.3.3-3.el6_2.6 | Fixed | RHSA-2012:0093 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
29.80% 0.29803
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.29803
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 29.80% (0.29803) | 98.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 30.14% (0.30140) | 97.97th | v5 (v2026.06.15) |
| Mar 4, 2026 | 26.59% (0.26594) | 96.23th | v4 (v2025.03.14) |
| Mar 1, 2026 | 23.09% (0.23093) | 95.84th | v4 (v2025.03.14) |
| Feb 4, 2026 | 26.59% (0.26594) | 96.20th | v4 (v2025.03.14) |
| Feb 1, 2026 | 23.09% (0.23093) | 95.80th | v4 (v2025.03.14) |
| Jan 4, 2026 | 26.59% (0.26594) | 96.16th | v4 (v2025.03.14) |
| Jan 1, 2026 | 23.09% (0.23093) | 95.78th | v4 (v2025.03.14) |
| Dec 28, 2025 | 26.59% (0.26594) | 96.16th | v4 (v2025.03.14) |
| Dec 27, 2025 | 29.92% (0.29916) | 96.51th | v4 (v2025.03.14) |
| Dec 4, 2025 | 31.28% (0.31278) | 96.57th | v4 (v2025.03.14) |
| Dec 1, 2025 | 27.44% (0.27441) | 96.25th | v4 (v2025.03.14) |
| Nov 4, 2025 | 30.62% (0.30619) | 96.49th | v4 (v2025.03.14) |
| Nov 1, 2025 | 27.93% (0.27927) | 96.27th | v4 (v2025.03.14) |
| Oct 28, 2025 | 30.62% (0.30619) | 96.48th | v4 (v2025.03.14) |
| Oct 27, 2025 | 29.27% (0.29272) | 96.38th | v4 (v2025.03.14) |
| Oct 7, 2025 | 30.62% (0.30619) | 96.55th | v4 (v2025.03.14) |
| Oct 4, 2025 | 34.79% (0.34794) | 96.88th | v4 (v2025.03.14) |
| Oct 1, 2025 | 31.94% (0.31939) | 96.68th | v4 (v2025.03.14) |
| Sep 4, 2025 | 33.37% (0.33369) | 96.79th | v4 (v2025.03.14) |
| Sep 1, 2025 | 30.56% (0.30565) | 96.59th | v4 (v2025.03.14) |
| Aug 14, 2025 | 33.37% (0.33369) | 96.76th | v4 (v2025.03.14) |
| Aug 4, 2025 | 45.60% (0.45597) | 97.51th | v4 (v2025.03.14) |
| Aug 1, 2025 | 41.96% (0.41957) | 97.33th | v4 (v2025.03.14) |
| Jul 30, 2025 | 45.60% (0.45597) | 97.50th | v4 (v2025.03.14) |
| Apr 20, 2025 | 40.54% (0.40542) | 97.13th | v4 (v2025.03.14) |
| Mar 30, 2025 | 44.15% (0.44147) | 97.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 52.93% (0.52933) | 97.03th | v4 (v2025.03.14) |
| Mar 25, 2025 | 43.79% (0.43790) | 97.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 44.99% (0.44986) | 97.29th | v4 (v2025.03.14) |
| Dec 17, 2024 | 87.65% (0.87653) | 98.90th | v3 (v2023.03.01) |
| Aug 6, 2024 | 88.75% (0.88755) | 98.77th | v3 (v2023.03.01) |
| Jun 14, 2024 | 86.51% (0.86513) | 98.61th | v3 (v2023.03.01) |
| Feb 25, 2024 | 87.93% (0.87934) | 98.56th | v3 (v2023.03.01) |
| Nov 8, 2023 | 89.35% (0.89354) | 98.44th | v3 (v2023.03.01) |
| Jul 4, 2023 | 90.68% (0.90679) | 98.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 90.89% (0.90889) | 98.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 47.94% (0.47944) | 98.60th | v2 (v2022.01.01) |
| Jul 23, 2022 | 47.94% (0.47944) | 98.49th | v2 (v2022.01.01) |
| Apr 22, 2022 | 48.81% (0.48815) | 98.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.69% (0.49687) | 98.20th | v2 (v2022.01.01) |
Weaknesses (2)
References (27)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor-advisoryx_refsource_HP
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=134012830914727&w=2 vendor-advisoryx_refsource_HP
- http://openwall.com/lists/oss-security/2012/02/02/12 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2012/02/03/1 mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2012-0092.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/47801 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/47806 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/47813 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48668 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1026631 vdb-entryx_refsource_SECTRACK
- http://support.apple.com/kb/HT5281 x_refsource_CONFIRM
- http://svn.php.net/viewvc?view=revision&revision=323007 x_refsource_CONFIRM
- http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/ x_refsource_MISCExploit
- http://www.debian.org/security/2012/dsa-2403 vendor-advisoryx_refsource_DEBIAN
- http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html x_refsource_MISC
- http://www.osvdb.org/78819 vdb-entryx_refsource_OSVDB
- http://www.php.net/ChangeLog-5.php#5.3.10 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/51830 vdb-entryx_refsource_BIDExploit
- https://access.redhat.com/security/cve/CVE-2012-0830 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=786686 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72911 vdb-entryx_refsource_XF
- https://gist.github.com/1725489 x_refsource_MISCExploit
- https://nvd.nist.gov/vuln/detail/CVE-2012-0830
- https://www.cve.org/CVERecord?id=CVE-2012-0830
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 6, 2012
Updated Aug 6, 2024
Reserved Jan 19, 2012
Link CVE-2012-0830
CISA Vulnrichment
Updated n/a